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440762 — COVER,FIRE CONTROL INSTRUMENT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

440762: COVER,FIRE CONTROL INSTRUMENT.

The COVER,FIRE CONTROL INSTRUMENT is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYAMIDE NYLON. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-252-8179, 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
440762
NSN: 5310-00-252-8179
NIINs: 002528179, 007056076
FSC: 5310 — Nuts and Washers
CAGE: 3B150 — RAYTHEON COMPANY DBA RAYTHEON CO (USA)
SPECIFICATIONS
materialPLASTIC POLYAMIDE NYLON
NSN5310-00-252-8179
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 440762 · 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
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SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-STD-171,FINISH 5.1.2 MIL STD SINGLE TREATMENT RESPONSE OVERALL
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INTERNAL PREBENT KEY WIDTH: 0.110 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
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OVERALL DISTANCE INCLUDING KEYS: 2.370 INCHES MINIMUM AND 2.400 INCHES MAXIMUM IN
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STYLE DESIGNATOR: KEY
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MATERIAL DOCUMENT AND CLASSIFICATION: FED STD 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
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OUTSIDE DIAMETER: 2.000 INCHES MINIMUM AND 2.030 INCHES MAXIMUM IN
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MATERIAL THICKNESS: 0.025 INCHES NOMINAL IN
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EXTERNAL KEY QUANTITY: 15
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-STD-171,FINISH 5.1.2 MIL STD SINGLE TREATMENT RESPONSE OVERALL
INTERNAL PREBENT KEY WIDTH0.110 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
OVERALL DISTANCE INCLUDING KEYS2.370 INCHES MINIMUM AND 2.400 INCHES MAXIMUM IN
STYLE DESIGNATORKEY
MATERIAL DOCUMENT AND CLASSIFICATIONFED STD 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER2.000 INCHES MINIMUM AND 2.030 INCHES MAXIMUM IN
MATERIAL THICKNESS0.025 INCHES NOMINAL IN
EXTERNAL KEY QUANTITY15
INTERNAL PREBENT KEY LENGTH0.060 INCHES NOMINAL IN
SURFACE TREATMENTPASSIVATE OVERALL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 440762?
440762 is a COVER,FIRE CONTROL INSTRUMENT.
What is the NSN for 440762?
440762 is cataloged in the U.S. Government catalog under NSN 5310-00-252-8179. 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.