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90308A103 — STANDOFF,THREADED,SPACING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

90308A103: STANDOFF,THREADED,SPACING.

The STANDOFF,THREADED,SPACING is a the manufacturer industrial component. Key specifications include length: 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN, diameter: 0.181 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN, thread_length: 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM RIGHT EXTERNAL IN, style_designator: INTERNALLY THREADED FULL LENGTH, thread_direction: RIGHT-HAND RIGHT INTERNAL, surface_treatment: ZINC OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-676-4752, 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
90308A103
NSN: 5340-01-676-4752
FSC: 5340 — Hardware, Commercial
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
length0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
diameter0.181 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN
thread_length0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM RIGHT EXTERNAL IN
special_featuresSHAPE:HEX,MATERIAL:ZINC-PLATED BRASS,THREADING:FULLY THREADED,GENDER:FEMALE,THREAD FIT:CLASS 2B,TENSILE STRENGTH:45.000PSI,HARDNESS:ROCKWELL B55,ROHS:NOT COMPLIANT,SPECIFICATION:ASTM B16
style_designatorINTERNALLY THREADED FULL LENGTH
thread_directionRIGHT-HAND RIGHT INTERNAL
surface_treatmentZINC OVERALL
cross-sectional_shapeHEXAGON
cross-sectional_length0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
end_item_identificationRECONNAISSANCE FULL TRACKED VEHICLE K216A1
NSN5340-01-676-4752
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 90308A103 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
•
LENGTH: 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM RIGHT EXTERNAL IN
•
STYLE DESIGNATOR: INTERNALLY THREADED FULL LENGTH
•
DIAMETER: 0.181 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN
•
CROSS-SECTIONAL LENGTH: 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
•
THREAD DIRECTION: RIGHT-HAND RIGHT INTERNAL
•
CROSS-SECTIONAL SHAPE: HEXAGON
TECHNICAL CHARACTERISTICS
LENGTH0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
THREAD LENGTH0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM RIGHT EXTERNAL IN
STYLE DESIGNATORINTERNALLY THREADED FULL LENGTH
DIAMETER0.181 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN
CROSS-SECTIONAL LENGTH0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND RIGHT INTERNAL
CROSS-SECTIONAL SHAPEHEXAGON
SPECIAL FEATURESSHAPE:HEX,MATERIAL:ZINC-PLATED BRASS,THREADING:FULLY THREADED,GENDER:FEMALE,THREAD FIT:CLASS 2B,TENSILE STRENGTH:45.000PSI,HARDNESS:ROCKWELL B55,ROHS:NOT COMPLIANT,SPECIFICATION:ASTM B16
SURFACE TREATMENTZINC OVERALL
END ITEM IDENTIFICATIONRECONNAISSANCE FULL TRACKED VEHICLE K216A1
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 90308A103?
90308A103 is a STANDOFF,THREADED,SPACING.
What is the NSN for 90308A103?
90308A103 is cataloged in the U.S. Government catalog under NSN 5340-01-676-4752. 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.