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Technical Data Sheet
PartsTable / COMPONENT / 838255
838255 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

HARDWARE KIT,ELECTRONIC EQUIPMEN. Key specifications include material: STEEL NUT, nut_style: PLATE, nut_height: 0.160 INCHES MINIMUM AND 0.234 INCHES MAXIMUM IN, nut_length: 0.984 INCHES MAXIMUM IN, plate_width: 0.328 INCHES MINIMUM AND 0.416 INCHES MAXIMUM IN, temp_rating: 250.0 FAHRENHEIT NOMINAL DEGF. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-065-9279, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
838255
NSN: 5340-00-065-9279
FSC: 5340
CAGE: 56232 — LOCKHEED MARTIN CORPORATION DIV RMS - MITCHEL FIELD (USA)
SPECIFICATIONS
materialSTEEL NUT
nut_stylePLATE
nut_height0.160 INCHES MINIMUM AND 0.234 INCHES MAXIMUM IN
nut_length0.984 INCHES MAXIMUM IN
plate_width0.328 INCHES MINIMUM AND 0.416 INCHES MAXIMUM IN
temp_rating250.0 FAHRENHEIT NOMINAL DEGF
thread_class3B
thread_seriesUNJC
hardness_rating36.0 ROCKWELL C MAXIMUM
locking_featurePREVAILING TORQUE WITH NONMETALLIC INSERT
plate_thickness0.075 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
NSN5340-00-065-9279
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 838255 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
DOCUMENT TYPE: INDUSTRIAL DRAWING
•
DOCUMENT SOURCE: 06424
•
FSC APPLICATION DATA: TEST SET ELECTRONIC
•
COMPONENT QUANTITY: 3
•
COMPONENT DOCUMENT ORIGIN: INDUSTRIAL
•
COMPONENT DOCUMENT PAGE NUMBER: 1
•
DOCUMENT IDENTIFICATION: 838255
TECHNICAL CHARACTERISTICS (FLIS)
DOCUMENT TYPEINDUSTRIAL DRAWING
DOCUMENT SOURCE06424
FSC APPLICATION DATATEST SET ELECTRONIC
COMPONENT QUANTITY3
COMPONENT DOCUMENT ORIGININDUSTRIAL
COMPONENT DOCUMENT PAGE NUMBER1
DOCUMENT IDENTIFICATION838255
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
838255Interchangeable
interchangeable cross-reference
interchangeable
NA401-62Interchangeable
interchangeable cross-reference
interchangeable
SNLA-069-06Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 838255?
838255 is a HARDWARE KIT,ELECTRONIC EQUIPMEN.
What parts can replace 838255?
There are 3 known substitutes for 838255: 838255, NA401-62, SNLA-069-06. Substitute compatibility should be verified for your specific system.
What is the NSN for 838255?
838255 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-065-9279. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026