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91115A151 — STANDOFF,THREADED,SPACING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

91115A151: STANDOFF,THREADED,SPACING.

The STANDOFF,THREADED,SPACING is a the manufacturer industrial component. Key specifications include length: 0.50 INCHES NOMINAL IN, material: STEEL OVERALL, style_designator: INTERNALLY THREADED FULL LENGTH, thread_direction: RIGHT-HAND RIGHT INTERNAL, width_across_flats: 0.250 INCHES NOMINAL IN, nominal_thread_size: 0.188 INCHES RIGHT INTERNAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-616-8099, 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
91115A151
NSN: 5340-01-616-8099
FSC: 5340 — Hardware, Commercial
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
length0.50 INCHES NOMINAL IN
materialSTEEL OVERALL
style_designatorINTERNALLY THREADED FULL LENGTH
thread_directionRIGHT-HAND RIGHT INTERNAL
width_across_flats0.250 INCHES NOMINAL IN
nominal_thread_size0.188 INCHES RIGHT INTERNAL IN
cross-sectional_shapeHEXAGON
end_item_identificationMRAP BUFFALO MK2A2; MRAP - COUGAR
part_name_assigned_by_controlling_agency18-8 STAINLESS STEEL FEMALE THREADED HEX STANDOFF
NSN5340-01-616-8099
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 91115A151 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
•
WIDTH ACROSS FLATS: 0.250 INCHES NOMINAL IN
•
LENGTH: 0.50 INCHES NOMINAL IN
•
STYLE DESIGNATOR: INTERNALLY THREADED FULL LENGTH
•
THREAD DIRECTION: RIGHT-HAND RIGHT INTERNAL
•
NOMINAL THREAD SIZE: 0.188 INCHES RIGHT INTERNAL IN
•
CROSS-SECTIONAL SHAPE: HEXAGON
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.250 INCHES NOMINAL IN
LENGTH0.50 INCHES NOMINAL IN
STYLE DESIGNATORINTERNALLY THREADED FULL LENGTH
THREAD DIRECTIONRIGHT-HAND RIGHT INTERNAL
NOMINAL THREAD SIZE0.188 INCHES RIGHT INTERNAL IN
CROSS-SECTIONAL SHAPEHEXAGON
PART NAME ASSIGNED BY CONTROLLING AGENCY18-8 STAINLESS STEEL FEMALE THREADED HEX STANDOFF
END ITEM IDENTIFICATIONMRAP BUFFALO MK2A2; MRAP - COUGAR
MATERIALSTEEL OVERALL
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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 91115A151?
91115A151 is a STANDOFF,THREADED,SPACING.
What is the NSN for 91115A151?
91115A151 is cataloged in the U.S. Government catalog under NSN 5340-01-616-8099. 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.