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1090-080 — BUMPER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1090-080: BUMPER.

The BUMPER is a the manufacturer industrial component. Key specifications include material: RUBBER, thread_size: 1/2-13 UNC-2A A, shank_length: 1.310 INCHES MINIMUM AND 1.390 INCHES MAXIMUM IN, overall_height: 4.850 INCHES NOMINAL IN, style_designator: TIPPED THREADED STUD, end_item_identification: MRAP - UNIQUE NSN - RG33 CAT I. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-571-5592, 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
1090-080
NSN: 5340-01-571-5592
FSC: 5340 — Hardware, Commercial
CAGE: 30966 — EBCO, INC (USA)
SPECIFICATIONS
materialRUBBER
thread_size1/2-13 UNC-2A A
shank_length1.310 INCHES MINIMUM AND 1.390 INCHES MAXIMUM IN
overall_height4.850 INCHES NOMINAL IN
style_designatorTIPPED THREADED STUD
end_item_identificationMRAP - UNIQUE NSN - RG33 CAT I
outside/top_flange_diameter4.250 INCHES NOMINAL IN
part_name_assigned_by_controlling_agencyBUMPER, RUBBER, MALE STUD
NSN5340-01-571-5592
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1090-080 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
•
OUTSIDE/TOP FLANGE DIAMETER: 4.250 INCHES NOMINAL IN
•
SHANK LENGTH: 1.310 INCHES MINIMUM AND 1.390 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: TIPPED THREADED STUD
•
THREAD SIZE: 1/2-13 UNC-2A A
•
MATERIAL: RUBBER
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT4.850 INCHES NOMINAL IN
OUTSIDE/TOP FLANGE DIAMETER4.250 INCHES NOMINAL IN
SHANK LENGTH1.310 INCHES MINIMUM AND 1.390 INCHES MAXIMUM IN
STYLE DESIGNATORTIPPED THREADED STUD
THREAD SIZE1/2-13 UNC-2A A
PART NAME ASSIGNED BY CONTROLLING AGENCYBUMPER, RUBBER, MALE STUD
END ITEM IDENTIFICATIONMRAP - UNIQUE NSN - RG33 CAT I
MATERIALRUBBER
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1090-080?
1090-080 is a BUMPER.
What is the NSN for 1090-080?
1090-080 is cataloged in the U.S. Government catalog under NSN 5340-01-571-5592. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.