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221027 — CARTRIDGE,RESPIRATOR,AIR FILTERI

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

221027: CARTRIDGE,RESPIRATOR,AIR FILTERI.

CARTRIDGE,RESPIRATOR,AIR FILTERI. Key specifications include special_features: TYPE A ORGANIC VAPORS; SOLE SOURCE REQUIRED BY STATUTE 6.302, criticality_code_justification: FEAT. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-011-1986, 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
221027
NSN: 5315-00-011-1986
NIINs: 000111986, 004513183, 013108870, 014492591
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 08683 — BROCKWAY MOTOR TRUCKS DIV OF MACK TRUCKS INC (USA)
SPECIFICATIONS
special_featuresTYPE A ORGANIC VAPORS; SOLE SOURCE REQUIRED BY STATUTE 6.302
criticality_code_justificationFEAT
NSN5315-00-011-1986
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 221027 · 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
•
FIRST END STYLE: SQUARE
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-633 1010 TO 1030 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
PIN OVERALL DIAMETER: 0.0940 INCHES NOMINAL IN
•
PIN OVERALL LENGTH: 0.438 INCHES NOMINAL IN
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
FIRST END STYLESQUARE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633 1010 TO 1030 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
PIN OVERALL DIAMETER0.0940 INCHES NOMINAL IN
PIN OVERALL LENGTH0.438 INCHES NOMINAL IN
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 3
111986Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
17854RReference document
Same NSN cross-reference
Reference document — Secondary reference
398209Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 221027?
221027 is a CARTRIDGE,RESPIRATOR,AIR FILTERI.
What parts can replace 221027?
There are 3 known substitutes for 221027: 111986, 17854R, 398209. Substitute compatibility should be verified for your specific system.
What is the NSN for 221027?
221027 is cataloged in the U.S. Government catalog under NSN 5315-00-011-1986. 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.