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65245 — SIGHT ASSEMBLY HANDGUARD

✓ Government record, cited
Hotpoint · NUT WASHER
PRODUCT OVERVIEW

65245: SIGHT ASSEMBLY HANDGUARD.

The SIGHT ASSEMBLY HANDGUARD is a Hotpoint industrial component. Key specifications include end_item_identification: TOOL KITS SPARE PARTS COLT M4. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-297-9082, 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
65245
NSN: 5310-00-297-9082
NIINs: 002979082, 006525127, 015739002, 016279300
FSC: 5310 — Nuts and Washers
CAGE: 10237 — CADILLAC GAGE TEXTRON INC. (USA)
SPECIFICATIONS
end_item_identificationTOOL KITS SPARE PARTS COLT M4
NSN5310-00-297-9082
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 65245 · Hotpoint ⚠ 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
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD ALL MATERIAL RESPONSES OVERALL
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THREAD DIRECTION: RIGHT-HAND
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NOMINAL THREAD SIZE: 0.164 INCHES IN
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PILOT DIAMETER: 0.275 INCHES NOMINAL IN
•
PILOT LENGTH: 0.085 INCHES NOMINAL IN
•
LOCKING FEATURE: PREVAILING TORQUE WITH NONMETALLIC INSERT
•
NUT HEIGHT: 0.335 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.164 INCHES IN
PILOT DIAMETER0.275 INCHES NOMINAL IN
PILOT LENGTH0.085 INCHES NOMINAL IN
LOCKING FEATUREPREVAILING TORQUE WITH NONMETALLIC INSERT
NUT HEIGHT0.335 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM OVERALL
NUT STYLESPLINE
SUBSTITUTES & CROSS-REFERENCES 1
22NC2-82Reference 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 65245?
65245 is a SIGHT ASSEMBLY HANDGUARD manufactured by Hotpoint.
What parts can replace 65245?
There is 1 known substitute for 65245: 22NC2-82. Substitute compatibility should be verified for your specific system.
What is the NSN for 65245?
65245 is cataloged in the U.S. Government catalog under NSN 5310-00-297-9082. 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.