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221038 — CANISTER,GAS MASK

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

221038: CANISTER,GAS MASK.

The CANISTER,GAS MASK is a the manufacturer industrial component. Key specifications include special_features: TYPE E ACID GASES CANISTER; SOLE SOURCE REQUIRED BY STATUTE 6.302; NIOSH APPROVAL, end_item_identification: GAS MASK, RACAL HEALTH & SAFETY, BREATHE-EASY 7, criticality_code_justification: FEAT. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-496-5513, 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
221038
NSN: 5305-00-496-5513
NIINs: 004965513, 013092316
FSC: 5305 — Screws
CAGE: 08683 — BROCKWAY MOTOR TRUCKS DIV OF MACK TRUCKS INC (USA)
SPECIFICATIONS
special_featuresTYPE E ACID GASES CANISTER; SOLE SOURCE REQUIRED BY STATUTE 6.302; NIOSH APPROVAL
end_item_identificationGAS MASK, RACAL HEALTH & SAFETY, BREATHE-EASY 7
criticality_code_justificationFEAT
NSN5305-00-496-5513
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 221038 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
SUBSTITUTES & CROSS-REFERENCES 4
398204Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
15775AReference document
Same NSN cross-reference
Reference document — Secondary reference
17842RReference document
Same NSN cross-reference
Reference document — Secondary reference
S2A345Reference 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 221038?
221038 is a CANISTER,GAS MASK.
What parts can replace 221038?
There are 4 known substitutes for 221038: 398204, 15775A, 17842R and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 221038?
221038 is cataloged in the U.S. Government catalog under NSN 5305-00-496-5513. 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.