Where to Buy
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Documentation
General information based on part classification, not a certification determination. Your operator's quality manual governs.
What to ask the seller for
- FAA Form 8130-3 from the PAH or an authorized release traceable to the PAH
- Manufacturer's CofC if a Form 8130-3 was not issued
Governing reference: FAA Order 8130.21J
PMA Alternatives
No PMA alternatives found for this part. This does not mean none exist — only that none are currently in our database.
Supplemental Type Certificates13 found
FAA-approved modifications that reference this part number
Increase normal category maximum gross weight from 2300 to 2400 lbs. and increase utility category maximum grow weight from 2000 to 2100 lbs. per Installation Instructions, STC SA1945CE, Gross Weight Increase for the C172N with an FAA approval date of January 3, 1989, or later.
Aircraft: 172N
Installation of aqua Model 2400 floats.
Aircraft: Bee Dee M-5-220C, Bee Dee M-5-210TC, Bee Dee M-5-235C, Bee Dee M-6-235 +3 more
Installation of Model 2400 Aqua floats. (175 FLOATPLANE CONFIGURATION)
Aircraft: 172B, 172C, 172D, 172E +12 more
Installation of an Astronics AES Flight Deck Power System and Class Divider in accordance with Envoy Aerospace Master Data List, Doc. No. E18026-2400-L001, Revision B, dated January 10, 2019, or later FAA approved revision.
Aircraft: 737-800 Series, 737-900ER Series
Installation of Precise Pulselite control unit Model 2400-25-4-4.
Aircraft: BAe.125 Series 800A, Hawker 800, Hawker 800XP, Hawker 850XP
Installation of a 2400 gallon fire retardant tank assembly.
Aircraft: C-119C
Installation of a 2400 gallon fire retardant tank assembly.
Aircraft: C-119C
Installation of a 2400 gallon fire retardant tank assembly.
Aircraft: C-119C
Increase the main jet size of TCM MA4-5 carburetors of TCM O-470-U engines, to increase engine power from 230 BHP at 2400 RPM to 252 BHP at 2625 RPM.
Aircraft: IO-470-U
Installation of the Ryan Itn'l traffic collision alert device (TCAD), 9900 series, P/N 71-2100, 71-2200, 71-2400.
Aircraft: 414A
Replace Cameron Balloons basket/burner system and fuel tanks with Colt Model 40x60 basket/Colt III (C3) double burner, and Colt fuel tanks Model V30. Approved for serial number 6279 ONLY. Maximum gross weight is 2400 lbs.
Aircraft: N-120
Increase normal category Maximum gross weight from 2300 to 2400 lbs and increase utility category maximum gross weight from 2000 to 2100 lbs
Aircraft: 172N
Installation of Franklin GA-350-C2 engine, McCauley 2A31C/84S-6 propeller, and Aqua Float Corporation Model 2400, or Edo Corporation Model 248B-2440 floats
Aircraft: 172D, 172E, 172F (USAF T-41A), 172G +3 more
Airworthiness Directives
Synced 40 days ago (09/27/2026)No Active Airworthiness Directives
No FAA or EASA ADs are linked to this part number. Always verify against the aircraft's maintenance records before install.
Service Difficulty Reports
No Service Difficulty Reports
No failure reports found for this part number in the FAA SDR database.
Suspect-Parts Alerts (SUP/UPN)
No Suspect-Parts Alerts
This manufacturer is not named in any active FAA Suspect Unapproved Parts (SUP/UPN) notification.
NSN Cross-References2 NSNs — DLA WebFLIS
National Stock Numbers assigned to this part number by the U.S. Defense Logistics Agency
| NSN | Standardized Name | FSC | DLA List Price (gov't catalog) | CAGE / Manufacturer |
|---|---|---|---|---|
| 1650-00-085-5258 | PARTS KIT,FILTER,CURE DATE | 1650 | $10.80/EA | 10464O-RINGS, INC. DBA O RINGS INC |
| 1680-00-516-7082 | ACTUATOR,ELECTROMECHANICAL,ROTAR | 1680 | — | 93835PARKER HANNIFIN CORPORATION DIV HYDRAULIC SYSTEMS DIVISION |
DLA PUBLOG published list price — government procurement catalog, not a commercial market price. Prices may differ from current commercial availability.
Government Award Prices
U.S. government contract award prices from FPDS — unit prices for NSN purchases by DoD/DLA agencies
No government contract award price data found for this part number.
Identifiers
Manufacturer
O-RINGS, INC. DBA O RINGS INC
Source
DLA WebFLIS
ATA Chapter
29
Type
OEM