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3151AS121-1 — HARDWARE KIT,MECHANIC EQUIPMENT

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

3151AS121-1: HARDWARE KIT,MECHANIC EQUIPMENT.

HARDWARE KIT,MECHANIC EQUIPMENT. Key specifications include special_features: KIT WITH VARIOUS PARTS THAT MAY BE NEEDED TO ATTACH TO HELMET TO FACILITATE ATTACHMENT OF A MICROPHONE., end_item_identification: AVIATORS LIFE SUPPORT SYSTEM SE, part_name_assigned_by_controlling_agency: EXTRA LARGE WIDE BRACKET ASSEMBLY. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-555-3650, 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
3151AS121-1
NSN: 5340-01-555-3650
FSC: 5340 — Hardware, Commercial
CAGE: 30003 — NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
special_featuresKIT WITH VARIOUS PARTS THAT MAY BE NEEDED TO ATTACH TO HELMET TO FACILITATE ATTACHMENT OF A MICROPHONE.
end_item_identificationAVIATORS LIFE SUPPORT SYSTEM SE
part_name_assigned_by_controlling_agencyEXTRA LARGE WIDE BRACKET ASSEMBLY
NSN5340-01-555-3650
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3151AS121-1 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
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESKIT WITH VARIOUS PARTS THAT MAY BE NEEDED TO ATTACH TO HELMET TO FACILITATE ATTACHMENT OF A MICROPHONE.
PART NAME ASSIGNED BY CONTROLLING AGENCYEXTRA LARGE WIDE BRACKET ASSEMBLY
END ITEM IDENTIFICATIONAVIATORS LIFE SUPPORT SYSTEM SE
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES 1
3151AS121Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3151AS121-1?
3151AS121-1 is a HARDWARE KIT,MECHANIC EQUIPMENT.
What parts can replace 3151AS121-1?
There is 1 known substitute for 3151AS121-1: 3151AS121. Substitute compatibility should be verified for your specific system.
What is the NSN for 3151AS121-1?
3151AS121-1 is cataloged in the U.S. Government catalog under NSN 5340-01-555-3650. This indicates validated use in U.S. government and defense supply chains.
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