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T45-4 — WASHER,LOCK

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

T45-4: WASHER,LOCK.

The WASHER,LOCK is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, end_style: SPRING END,SQUARED AND GROUND BOTH ENDS, coil_quantity: 11, inside_diameter: 1.151 INCHES NOMINAL IN, style_designator: CYLINDRICAL, surface_treatment: ENAMEL OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-193-7577, 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
T45-4
NSN: 5310-00-193-7577
NIINs: 001937577, 002636797
FSC: 5310 — Nuts and Washers
CAGE: 79960 — ZENITH FUEL SYSTEMS LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
end_styleSPRING END,SQUARED AND GROUND BOTH ENDS
coil_quantity11
inside_diameter1.151 INCHES NOMINAL IN
style_designatorCYLINDRICAL
surface_treatmentENAMEL OVERALL
spring_free_length6.000 INCHES NOMINAL IN
coil_helix_directionRIGHT-HAND
spring_free_outside_diameter1.875 INCHES NOMINAL IN
NSN5310-00-193-7577
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: T45-4 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
SUBSTITUTES & CROSS-REFERENCES 9
1727Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
911C396-2Reference document
Same NSN cross-reference
Reference document — Secondary reference
6004005Reference document
Same NSN cross-reference
Reference document — Secondary reference
N404P11C6Reference document
Same NSN cross-reference
Reference document — Secondary reference
93611-105Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
23MS35333-2Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is T45-4?
T45-4 is a WASHER,LOCK.
What parts can replace T45-4?
There are 9 known substitutes for T45-4: 1727, 911C396-2, 6004005 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for T45-4?
T45-4 is cataloged in the U.S. Government catalog under NSN 5310-00-193-7577. 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.