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S6-400 — FACEPIECE,BREATHING EQUIPMENT

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

S6-400: FACEPIECE,BREATHING EQUIPMENT.

The FACEPIECE,BREATHING EQUIPMENT is a the manufacturer industrial component. Key specifications include end_item_identification: WILLSON SAFETY PRODUCTS MODEL 6000 SERIES RESPIRATOR, criticality_code_justification: FEAT. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-489-0874, 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
S6-400
NSN: 5325-00-489-0874
NIINs: 004890874, 012686634
FSC: 5325 — Fastening Devices
CAGE: 72794 — SOUTHCO INC (USA)
SPECIFICATIONS
end_item_identificationWILLSON SAFETY PRODUCTS MODEL 6000 SERIES RESPIRATOR
criticality_code_justificationFEAT
NSN5325-00-489-0874
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: S6-400 · 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
KEY FEATURES
•
CENTER TO CENTER DISTANCE BETWEEN EYES: 1.375 INCHES NOMINAL IN
•
EYE DIAMETER: 0.125 INCHES NOMINAL IN
•
LOCKSPRING OVERALL HEIGHT: 0.400 INCHES NOMINAL IN
•
STOCK DIAMETER: 0.090 INCHES NOMINAL IN
•
SURFACE TREATMENT: CADMIUM OVERALL
•
MATERIAL: STEEL OVERALL
•
LOCKSPRING STYLE: LOCKSPRING
TECHNICAL CHARACTERISTICS
CENTER TO CENTER DISTANCE BETWEEN EYES1.375 INCHES NOMINAL IN
EYE DIAMETER0.125 INCHES NOMINAL IN
LOCKSPRING OVERALL HEIGHT0.400 INCHES NOMINAL IN
STOCK DIAMETER0.090 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM OVERALL
MATERIALSTEEL OVERALL
LOCKSPRING STYLELOCKSPRING
SUBSTITUTES & CROSS-REFERENCES 1
1219-6400-Z3YReference document
Same NSN cross-reference
Reference document — Secondary reference
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 S6-400?
S6-400 is a FACEPIECE,BREATHING EQUIPMENT.
What parts can replace S6-400?
There is 1 known substitute for S6-400: 1219-6400-Z3Y. Substitute compatibility should be verified for your specific system.
What is the NSN for S6-400?
S6-400 is cataloged in the U.S. Government catalog under NSN 5325-00-489-0874. 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.