3874
OEMClearNUT,PLAIN,PLATE
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 Certificates3 found
FAA-approved modifications that reference this part number
Installation of dual Collins FD-109 Flight Director System in accordance with master list of drawings and related documents for United Air Lines Change Order Authorization No. 2-4950 dated April 27, 1977 or later FAA approved revision. Each system consists of one each of the following components. Roll computer P/N 522-4428-008, Pitch Computer P/N 522-4892-008, Instrument Amplifier P/N 522-3874-005, Control Panel P/N 522-4431-001, Horizon Flight Director Indicator P/N 522-4430-002, Course Deviation\nIndicator P/N 522-2782-004, Pitch Mode Annunciator P/N R2901-159 and Roll Mode Annunciator P/N R2901-160. The Boeing DC-8-61 FAA Approved Aircraft Flight Manual DAC-33161 has been reviewed and no revision is required as a result of this change.
Aircraft: DC-8-61
Installation of a Smiths Industries combined voice and flight data recorder, model 3257, and optional Smiths Industries Recorder Control Unit, model 3874.
Aircraft: A310 322, A300 B4-600R Series, A300 B4-600 Series, A310 221 +18 more
Installation of a Smiths Industries combined voice and flight data recorder, Model 3257, and optional Smiths Industries Recorder control unit, model 3874.
Aircraft: MD-11F, MD-11
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-References3 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 |
|---|---|---|---|---|
| 5310-00-724-6071 | NUT,PLAIN,HEXAGON | 5310 | $162.66/EA | 74400HOBBS CORP |
| 5310-01-168-3869 | NUT,PLAIN,PLATE | 5310 | $2.06/EA | 99557GUNNEBO JOHNSON CORPORATION DIV GUNNEBO INDUSTRIES, INC. |
| 5320-00-770-5721 | RIVET,TUBULAR | 5320 | $1.60/PG | 71000SACHS-BOGE OF AMERICA |
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
GUNNEBO JOHNSON CORPORATION DIV GUNNEBO INDUSTRIES, INC.
Source
DLA WebFLIS
ATA Chapter
20
Type
OEM