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261101 — PIN,SHOULDER,HEADLESS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

261101: PIN,SHOULDER,HEADLESS.

The PIN,SHOULDER,HEADLESS is a the manufacturer industrial component. Key specifications include garment_size: UNIVERSAL, user_designator: US MARINE CORPS, part_name_assigned_by_controlling_agency: USMC SUB-BELT. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-160-8042, 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
261101
NSN: 5315-00-160-8042
NIINs: 001608042, 014162094, 016026926
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 26505 — GROVE VALVE OPERATIONS (USA)
SPECIFICATIONS
garment_sizeUNIVERSAL
user_designatorUS MARINE CORPS
part_name_assigned_by_controlling_agencyUSMC SUB-BELT
NSN5315-00-160-8042
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 261101 · 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
•
SHANK DIAMETER: 0.087 INCHES MINIMUM AND 0.091 INCHES MAXIMUM IN
•
FIRST END TAPER LENGTH: 0.016 INCHES NOMINAL IN
•
FIRST END LOCATION: SHANK END
•
FIRST END STYLE: CHAMFERED
•
SHANK LENGTH: 0.388 INCHES MINIMUM AND 0.392 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SHOULDER
•
FIRST END TAPER ANGLE: 45.0 DEGREES NOMINAL
TECHNICAL CHARACTERISTICS
SHANK DIAMETER0.087 INCHES MINIMUM AND 0.091 INCHES MAXIMUM IN
FIRST END TAPER LENGTH0.016 INCHES NOMINAL IN
FIRST END LOCATIONSHANK END
FIRST END STYLECHAMFERED
SHANK LENGTH0.388 INCHES MINIMUM AND 0.392 INCHES MAXIMUM IN
STYLE DESIGNATORSHOULDER
OVERALL LENGTH0.826 INCHES MINIMUM AND 0.830 INCHES MAXIMUM IN
FIRST END TAPER ANGLE45.0 DEGREES NOMINAL
SECOND END RELATIONSHIP WITH FIRST ENDNOT IDENTICAL
SHOULDER DIAMETER0.186 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 1
8170488Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 261101?
261101 is a PIN,SHOULDER,HEADLESS.
What parts can replace 261101?
There is 1 known substitute for 261101: 8170488. Substitute compatibility should be verified for your specific system.
What is the NSN for 261101?
261101 is cataloged in the U.S. Government catalog under NSN 5315-00-160-8042. 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.