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SPA1037-4-035 — SCREW,HEXAGON HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

SPA1037-4-035: SCREW,HEXAGON HEAD.

The SCREW,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include head_style: HEXAGON, head_height: 0.049 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 0.300 INCHES MINIMUM AND 0.350 INCHES MAXIMUM IN, screw_material: STEEL CORROSION RESISTING, fastener_length: 0.350 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-071-4333, 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
SPA1037-4-035
NSN: 5305-01-071-4333
NIINs: 010714333, 011763964
FSC: 5305 — Screws
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
head_styleHEXAGON
head_height0.049 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN
thread_class2A A
thread_length0.300 INCHES MINIMUM AND 0.350 INCHES MAXIMUM IN
screw_materialSTEEL CORROSION RESISTING
fastener_length0.350 INCHES NOMINAL IN
thread_directionRIGHT-HAND
width_between_flats0.181 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN
nominal_thread_diameter0.112 INCHES IN
thread_quantity_per_inch40
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
part_name_assigned_by_controlling_agencyNAVY SPECIAL PROJECT
NSN5305-01-071-4333
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: SPA1037-4-035 · 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

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 SPA1037-4-035?
SPA1037-4-035 is a SCREW,HEXAGON HEAD.
What is the NSN for SPA1037-4-035?
SPA1037-4-035 is cataloged in the U.S. Government catalog under NSN 5305-01-071-4333. 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.