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Technical Data Sheet
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185039 — HEADREST,SEAT,VEHICULAR

✓ Government record, cited
Hama · ORING SEAL
PRODUCT OVERVIEW

185039: HEADREST,SEAT,VEHICULAR.

The HEADREST,SEAT,VEHICULAR is a Hama industrial component. Key specifications include material: PLASTIC VINYL COVER, special_features: HEAVY DUTY MECHANICAL SUSPENSION SEAT, mounting_attachment: INCLUDED, end_item_identification: UNIT 7,TOWED, part_name_assigned_by_controlling_agency: HEADREST. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-335-8878, 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
185039
NSN: 5331-01-335-8878
NIINs: 013358878, 015599335
FSC: 5331 — O-ring
CAGE: 7041B — URO VEHICULOS ESPECIALES SA (ESP)
SPECIFICATIONS
materialPLASTIC VINYL COVER
quantity2
special_featuresHEAVY DUTY MECHANICAL SUSPENSION SEAT
mounting_attachmentINCLUDED
end_item_identificationUNIT 7,TOWED
part_name_assigned_by_controlling_agencyHEADREST
NSN5331-01-335-8878
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 185039 MFR: Hama ⚠ 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
SUBSTITUTES & CROSS-REFERENCES 3
5330013358878Reference document
Same NSN cross-reference
Reference document — Informative reference only
5935457Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
5331013358878Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedAcquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 185039?
185039 is a HEADREST,SEAT,VEHICULAR manufactured by Hama.
What parts can replace 185039?
There are 3 known substitutes for 185039: 5330013358878, 5935457, 5331013358878. Substitute compatibility should be verified for your specific system.
What is the NSN for 185039?
185039 is cataloged in the U.S. Government catalog under NSN 5331-01-335-8878. This indicates validated use in U.S. government and defense supply chains.
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