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407046 — PAD,SOUND ABSORBING

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

407046: PAD,SOUND ABSORBING.

The PAD,SOUND ABSORBING is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5310-00-637-9541, 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
MRO→ MRO_GENERAL→ 407046
NSN: 5310-00-637-9541
NIINs: 006379541, 007236334, 010224208, 011959642
FSC: 5310 — Nuts and Washers
CAGE: 77294 — PIPER INDUSTRIAL MANUFACTURING COMPANY, LLC DIV PIPER INDUSTRIAL MANUFACTURING COMPANY (USA)
SPECIFICATIONS
Part Number407046
NSN5310-00-637-9541
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 407046 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: ASTM B633 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
HARDNESS RATING: 38.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM
•
STYLE DESIGNATOR: SPLIT HELICAL-RIGHT HAND
•
OUTSIDE DIAMETER: 0.680 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.094 INCHES MINIMUM IN
•
SURFACE TREATMENT: ZINC OVERALL
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM B633 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING38.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM
STYLE DESIGNATORSPLIT HELICAL-RIGHT HAND
OUTSIDE DIAMETER0.680 INCHES MAXIMUM IN
MATERIAL THICKNESS0.094 INCHES MINIMUM IN
SPECIAL FEATURESSIZE: 3/8 (0.375 IN.) IN
SURFACE TREATMENTZINC OVERALL
END ITEM IDENTIFICATIONRG-33 MRAP VEHICLE; MRAP BUFFALO MK2A2; MRAP - COUGAR
MATERIALSTEEL COMP 1060 OR STEEL COMP 1064 OR STEEL COMP 1065 OVERALL
HOLE DIAMETER0.377 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 9
A86-7Reference document
Same NSN cross-reference
Reference document — Secondary reference
993412Reference document
Same NSN cross-reference
Reference document — Secondary reference
501-061800-00Reference document
Same NSN cross-reference
Reference document — Secondary reference
R10-5.50-3Reference document
Same NSN cross-reference
Reference document — Secondary reference
0120382Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
FF-W-84Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 407046?
407046 is a PAD,SOUND ABSORBING. It is classified as a MRO (MRO_GENERAL).
What parts can replace 407046?
There are 9 known substitutes for 407046: A86-7, 993412, 501-061800-00 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 407046?
407046 is cataloged in the U.S. Government catalog under NSN 5310-00-637-9541. 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.