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1266319-2 — HATCH,ROOF ASSEMBLY,VEHICLE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

1266319-2: HATCH,ROOF ASSEMBLY,VEHICLE.

The HATCH,ROOF ASSEMBLY,VEHICLE is a the manufacturer industrial component. Key specifications include height: 0.038 INCHES NOMINAL IN, material: STEEL OVERALL, head_style: DEE CHAMFER, first_end_style: CHAMFERED, special_features: DRILLED AND TAPPED FOR GREASE FITTINGS ON BOTH ENDS, first_step_length: 1.290 INCHES MINIMUM AND 1.330 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-434-1336, 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
1266319-2
NSN: 5315-01-434-1336
NIINs: 014341336, 017243969
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
height0.038 INCHES NOMINAL IN
materialSTEEL OVERALL
head_styleDEE CHAMFER
first_end_styleCHAMFERED
special_featuresDRILLED AND TAPPED FOR GREASE FITTINGS ON BOTH ENDS
first_step_length1.290 INCHES MINIMUM AND 1.330 INCHES MAXIMUM IN
pin_head_diameter1.100 INCHES MINIMUM AND 1.140 INCHES MAXIMUM IN
third_step_length1.526 INCHES NOMINAL IN
under_head_length12.790 INCHES MINIMUM AND 12.830 INCHES MAXIMUM IN
second_step_length9.750 INCHES NOMINAL IN
first_step_diameter0.660 INCHES MINIMUM AND 0.700 INCHES MAXIMUM IN
third_step_diameter0.7495 INCHES MINIMUM AND 0.7505 INCHES MAXIMUM IN
NSN5315-01-434-1336
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1266319-2 · 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
KEY FEATURES
•
FIRST END TAPER LENGTH: 0.030 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
•
FIRST STEP DIAMETER: 0.660 INCHES MINIMUM AND 0.700 INCHES MAXIMUM IN
•
THIRD STEP DIAMETER: 0.7495 INCHES MINIMUM AND 0.7505 INCHES MAXIMUM IN
•
DISTANCE FROM CENTERLINE TO FLAT: 0.440 INCHES NOMINAL IN
•
UNDER HEAD LENGTH: 12.790 INCHES MINIMUM AND 12.830 INCHES MAXIMUM IN
•
FIRST END STYLE: CHAMFERED
•
SECOND STEP LENGTH: 9.750 INCHES NOMINAL IN
•
PIN HEAD DIAMETER: 1.100 INCHES MINIMUM AND 1.140 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
FIRST END TAPER LENGTH0.030 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
FIRST STEP DIAMETER0.660 INCHES MINIMUM AND 0.700 INCHES MAXIMUM IN
THIRD STEP DIAMETER0.7495 INCHES MINIMUM AND 0.7505 INCHES MAXIMUM IN
DISTANCE FROM CENTERLINE TO FLAT0.440 INCHES NOMINAL IN
UNDER HEAD LENGTH12.790 INCHES MINIMUM AND 12.830 INCHES MAXIMUM IN
FIRST END STYLECHAMFERED
SECOND STEP LENGTH9.750 INCHES NOMINAL IN
PIN HEAD DIAMETER1.100 INCHES MINIMUM AND 1.140 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A576 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A36 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
FIRST END TAPER ANGLE45.0 DEGREES NOMINAL
SUBSTITUTES & CROSS-REFERENCES 1
12366319-2Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 1266319-2?
1266319-2 is a HATCH,ROOF ASSEMBLY,VEHICLE.
What parts can replace 1266319-2?
There is 1 known substitute for 1266319-2: 12366319-2. Substitute compatibility should be verified for your specific system.
What is the NSN for 1266319-2?
1266319-2 is cataloged in the U.S. Government catalog under NSN 5315-01-434-1336. 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.