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4052144 — CASE-HARNESS,RESPIRATOR

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

4052144: CASE-HARNESS,RESPIRATOR.

The CASE-HARNESS,RESPIRATOR is a the manufacturer industrial component. Key specifications include criticality_code_justification: TEXT, general_characteristics_item_description: SOLE SOURCE REQUIRED BY STATUTE 6.302. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-063-6418, 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
4052144
NSN: 5305-01-063-6418
NIINs: 010636418, 012502985
FSC: 5305 — Screws
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
criticality_code_justificationTEXT
general_characteristics_item_descriptionSOLE SOURCE REQUIRED BY STATUTE 6.302
NSN5305-01-063-6418
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 4052144 · 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
•
WIDTH ACROSS FLATS: 0.062 INCHES MINIMUM AND 0.064 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.440 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.440 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN
•
HOLE CONFIGURATION STYLE: ROUND
•
NOMINAL THREAD DIAMETER: 0.138 INCHES IN
•
HEAD STYLE: HEADLESS (SETSCREW)
•
THREAD DIRECTION: RIGHT-HAND
•
POINT STYLE: OVAL
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.062 INCHES MINIMUM AND 0.064 INCHES MAXIMUM IN
FASTENER LENGTH0.440 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN
THREAD LENGTH0.440 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN
HOLE CONFIGURATION STYLEROUND
NOMINAL THREAD DIAMETER0.138 INCHES IN
HEAD STYLEHEADLESS (SETSCREW)
THREAD DIRECTIONRIGHT-HAND
POINT STYLEOVAL
INTERNAL DRIVE STYLEHEXAGON
THREAD CLASS3A A
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 4052144?
4052144 is a CASE-HARNESS,RESPIRATOR.
What is the NSN for 4052144?
4052144 is cataloged in the U.S. Government catalog under NSN 5305-01-063-6418. 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.