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91125A448 — STANDOFF,THREADED,SPACING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

91125A448: STANDOFF,THREADED,SPACING.

The STANDOFF,THREADED,SPACING is a the manufacturer industrial component. Key specifications include length: 0.875 INCHES NOMINAL IN, diameter: 0.250 INCHES NOMINAL IN, material: STEEL CORROSION RESISTING OVERALL, thread_length: 0.875 INCHES NOMINAL HOLE PERPENDICULAR TO AXIS IN, style_designator: INTERNALLY THREADED FULL LENGTH, thread_direction: RIGHT-HAND HOLE PERPENDICULAR TO AXIS. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-609-6540, 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
91125A448
NSN: 5340-01-609-6540
FSC: 5340 — Hardware, Commercial
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
length0.875 INCHES NOMINAL IN
diameter0.250 INCHES NOMINAL IN
materialSTEEL CORROSION RESISTING OVERALL
thread_length0.875 INCHES NOMINAL HOLE PERPENDICULAR TO AXIS IN
style_designatorINTERNALLY THREADED FULL LENGTH
thread_directionRIGHT-HAND HOLE PERPENDICULAR TO AXIS
nominal_thread_size32.0 INCHES HOLE PERPENDICULAR TO AXIS IN
cross-sectional_shapeROUND
end_item_identificationAN/TSQ-120C
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) HOLE PERPENDICULAR TO AXIS
NSN5340-01-609-6540
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 91125A448 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: 0.875 INCHES NOMINAL IN
•
THREAD LENGTH: 0.875 INCHES NOMINAL HOLE PERPENDICULAR TO AXIS IN
•
STYLE DESIGNATOR: INTERNALLY THREADED FULL LENGTH
•
DIAMETER: 0.250 INCHES NOMINAL IN
•
THREAD DIRECTION: RIGHT-HAND HOLE PERPENDICULAR TO AXIS
•
NOMINAL THREAD SIZE: 32.0 INCHES HOLE PERPENDICULAR TO AXIS IN
•
CROSS-SECTIONAL SHAPE: ROUND
TECHNICAL CHARACTERISTICS
LENGTH0.875 INCHES NOMINAL IN
THREAD LENGTH0.875 INCHES NOMINAL HOLE PERPENDICULAR TO AXIS IN
STYLE DESIGNATORINTERNALLY THREADED FULL LENGTH
DIAMETER0.250 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND HOLE PERPENDICULAR TO AXIS
NOMINAL THREAD SIZE32.0 INCHES HOLE PERPENDICULAR TO AXIS IN
CROSS-SECTIONAL SHAPEROUND
END ITEM IDENTIFICATIONAN/TSQ-120C
MATERIALSTEEL CORROSION RESISTING OVERALL
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) HOLE PERPENDICULAR TO AXIS
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 91125A448?
91125A448 is a STANDOFF,THREADED,SPACING.
What is the NSN for 91125A448?
91125A448 is cataloged in the U.S. Government catalog under NSN 5340-01-609-6540. 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.