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1262-073-1 — CLAMP,BLOCK

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

1262-073-1: CLAMP,BLOCK.

The CLAMP,BLOCK is a the manufacturer industrial component. Key specifications include height: 0.120 INCHES NOMINAL0.120 INCHES NOMINAL IN, diameter: 0.498 INCHES MINIMUM AND 0.498 INCHES MINIMUM AND 0.500 INCHES MAXIMUM0.500 INCHES MAXIMUM IN, head_style: FLAT CHAMFERFLAT CHAMFER, grip_length: 1.754 INCHES MINIMUM AND 1.754 INCHES MINIMUM AND 1.774 INCHES MAXIMUM1.774 INCHES MAXIMUM IN, first_end_style: CHAMFEREDCHAMFERED, undercut_radius: 0.086 INCHES MINIMUM AND 0.086 INCHES MINIMUM AND 0.106 INCHES MAXIMUM0.106 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-355-1935, 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
1262-073-1
NSN: 5315-01-355-1935
NIINs: 013551935, 016851361
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 36334 — INDAL TECHNOLOGIES INC (CAN)
SPECIFICATIONS
height0.120 INCHES NOMINAL0.120 INCHES NOMINAL IN
diameter0.498 INCHES MINIMUM AND 0.498 INCHES MINIMUM AND 0.500 INCHES MAXIMUM0.500 INCHES MAXIMUM IN
head_styleFLAT CHAMFERFLAT CHAMFER
grip_length1.754 INCHES MINIMUM AND 1.754 INCHES MINIMUM AND 1.774 INCHES MAXIMUM1.774 INCHES MAXIMUM IN
first_end_styleCHAMFEREDCHAMFERED
undercut_radius0.086 INCHES MINIMUM AND 0.086 INCHES MINIMUM AND 0.106 INCHES MAXIMUM0.106 INCHES MAXIMUM IN
effective_length1.716 INCHES NOMINAL1.716 INCHES NOMINAL IN
style_designatorGROOVEGROOVE
pin_head_diameter1.000 INCHES NOMINAL1.000 INCHES NOMINAL IN
under_head_length2.500 INCHES NOMINAL2.500 INCHES NOMINAL IN
undercut_diameter0.370 INCHES MINIMUM AND 0.370 INCHES MINIMUM AND 0.375 INCHES MAXIMUM0.375 INCHES MAXIMUM IN
first_end_taper_angle45.0 DEGREES NOMINAL45.0 DEGREES NOMINAL
NSN5315-01-355-1935
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1262-073-1 · 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: 0.060 INCHES NOMINAL0.060 INCHES NOMINAL IN
•
UNDERCUT DIAMETER: 0.370 INCHES MINIMUM AND 0.370 INCHES MINIMUM AND 0.375 INCHES MAXIMUM0.375 INCHES MAXIMUM IN
•
UNDER HEAD LENGTH: 2.500 INCHES NOMINAL2.500 INCHES NOMINAL IN
•
FIRST END STYLE: CHAMFEREDCHAMFERED
•
STYLE DESIGNATOR: GROOVEGROOVE
•
PIN HEAD DIAMETER: 1.000 INCHES NOMINAL1.000 INCHES NOMINAL IN
•
DIAMETER: 0.498 INCHES MINIMUM AND 0.498 INCHES MINIMUM AND 0.500 INCHES MAXIMUM0.500 INCHES MAXIMUM IN
•
FIRST END TAPER ANGLE: 45.0 DEGREES NOMINAL45.0 DEGREES NOMINAL
TECHNICAL CHARACTERISTICS
FIRST END TAPER LENGTH0.060 INCHES NOMINAL0.060 INCHES NOMINAL IN
UNDERCUT DIAMETER0.370 INCHES MINIMUM AND 0.370 INCHES MINIMUM AND 0.375 INCHES MAXIMUM0.375 INCHES MAXIMUM IN
UNDER HEAD LENGTH2.500 INCHES NOMINAL2.500 INCHES NOMINAL IN
FIRST END STYLECHAMFEREDCHAMFERED
STYLE DESIGNATORGROOVEGROOVE
PIN HEAD DIAMETER1.000 INCHES NOMINAL1.000 INCHES NOMINAL IN
DIAMETER0.498 INCHES MINIMUM AND 0.498 INCHES MINIMUM AND 0.500 INCHES MAXIMUM0.500 INCHES MAXIMUM IN
FIRST END TAPER ANGLE45.0 DEGREES NOMINAL45.0 DEGREES NOMINAL
EFFECTIVE LENGTH1.716 INCHES NOMINAL1.716 INCHES NOMINAL IN
HEAD STYLEFLAT CHAMFERFLAT CHAMFER
SUBSTITUTES & CROSS-REFERENCES 1
1262-073 ITEM 1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 1262-073-1?
1262-073-1 is a CLAMP,BLOCK.
What parts can replace 1262-073-1?
There is 1 known substitute for 1262-073-1: 1262-073 ITEM 1. Substitute compatibility should be verified for your specific system.
What is the NSN for 1262-073-1?
1262-073-1 is cataloged in the U.S. Government catalog under NSN 5315-01-355-1935. 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.