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852849 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

852849: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include end_item_identification: W/S:HELICOPTER, SEARCH AND RESCUE, HH-60H; HELICOPTER, LAMPS MARK III, SH-60B; HELICOPTER, SEAHAWK, H-60, specification/standard_data: 98571-852849 MANUFACTURERS STANDARD. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-091-9137, 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
852849
NSN: 5305-01-091-9137
NIINs: 010919137, 013165488
FSC: 5305 — Screws
CAGE: 19139 — EASTMAN KODAK CO (USA)
SPECIFICATIONS
end_item_identificationW/S:HELICOPTER, SEARCH AND RESCUE, HH-60H; HELICOPTER, LAMPS MARK III, SH-60B; HELICOPTER, SEAHAWK, H-60
specification/standard_data98571-852849 MANUFACTURERS STANDARD
NSN5305-01-091-9137
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 852849 · 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
•
SCREW SURFACE TREATMENT: PASSIVATE
•
FASTENER LENGTH: 0.375 INCHES NOMINAL IN
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NOMINAL THREAD DIAMETER: 0.250 INCHES IN
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SCREW MATERIAL: STEEL CORROSION RESISTING
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THREAD CLASS: 3A A
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THREAD QUANTITY PER INCH: 20
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
TECHNICAL CHARACTERISTICS
SCREW SURFACE TREATMENTPASSIVATE
FASTENER LENGTH0.375 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.250 INCHES IN
SCREW MATERIALSTEEL CORROSION RESISTING
THREAD CLASS3A A
THREAD QUANTITY PER INCH20
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
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 852849?
852849 is a SCREW,MACHINE.
What is the NSN for 852849?
852849 is cataloged in the U.S. Government catalog under NSN 5305-01-091-9137. 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.