PartsTable
Technical Data Sheet

72553/1 — RESPIRATOR,AIR FILTERING

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

72553/1: RESPIRATOR,AIR FILTERING.

The RESPIRATOR,AIR FILTERING is a the manufacturer industrial component. Key specifications include end_item_identification: KC-135 ACFT. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-165-2371, 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
72553/1
NSN: 5310-01-165-2371
NIINs: 011652371, 015684683
FSC: 5310 — Nuts and Washers
CAGE: 99167 — HAMILTON SUNDSTRAND CORPORATION (USA)
SPECIFICATIONS
end_item_identificationKC-135 ACFT
NSN5310-01-165-2371
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 72553/1 · 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
TECHNICAL CHARACTERISTICS
END ITEM IDENTIFICATIONKC-135 ACFT
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 72553/1?
72553/1 is a RESPIRATOR,AIR FILTERING.
What is the NSN for 72553/1?
72553/1 is cataloged in the U.S. Government catalog under NSN 5310-01-165-2371. 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.