PartsTable
Technical Data Sheet
Download PDF

4091837001 — SCREW,CAP,HEXAGON HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

4091837001: SCREW,CAP,HEXAGON HEAD.

The SCREW,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include head_style: SPLINE EXTENDED WASHER, head_height: 0.625 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 1.750 INCHES MINIMUM IN, fastener_length: 1.750 INCHES NOMINAL IN, special_features: MATERIAL GRADE 8. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-653-2944, 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
4091837001
NSN: 5305-01-653-2944
FSC: 5305 — Screws
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
head_styleSPLINE EXTENDED WASHER
head_height0.625 INCHES MAXIMUM IN
thread_class2A A
thread_length1.750 INCHES MINIMUM IN
fastener_length1.750 INCHES NOMINAL IN
special_featuresMATERIAL GRADE 8
thread_directionRIGHT-HAND
head_minor_diameter0.618 INCHES MINIMUM AND 0.627 INCHES MAXIMUM IN
end_item_identification4210-01-622-0440; MRAP - M-ATV
nominal_thread_diameter0.620 INCHES IN
extended_washer_diameter0.921 INCHES MINIMUM AND 0.938 INCHES MAXIMUM IN
thread_quantity_per_inch11
NSN5305-01-653-2944
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 4091837001 · 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
•
HEAD HEIGHT: 0.625 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.750 INCHES NOMINAL IN
•
EXTENDED WASHER DIAMETER: 0.921 INCHES MINIMUM AND 0.938 INCHES MAXIMUM IN
•
THREAD LENGTH: 1.750 INCHES MINIMUM IN
•
NOMINAL THREAD DIAMETER: 0.620 INCHES IN
•
HEAD STYLE: SPLINE EXTENDED WASHER
•
THREAD DIRECTION: RIGHT-HAND
•
HEAD MINOR DIAMETER: 0.618 INCHES MINIMUM AND 0.627 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.625 INCHES MAXIMUM IN
FASTENER LENGTH1.750 INCHES NOMINAL IN
EXTENDED WASHER DIAMETER0.921 INCHES MINIMUM AND 0.938 INCHES MAXIMUM IN
THREAD LENGTH1.750 INCHES MINIMUM IN
NOMINAL THREAD DIAMETER0.620 INCHES IN
HEAD STYLESPLINE EXTENDED WASHER
THREAD DIRECTIONRIGHT-HAND
HEAD MINOR DIAMETER0.618 INCHES MINIMUM AND 0.627 INCHES MAXIMUM IN
SPECIAL FEATURESMATERIAL GRADE 8
PART NAME ASSIGNED BY CONTROLLING AGENCYSCR, CAP 12P, TAB G8
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-000-0094 5305-00-000-1397 5305-00-000-2625 5305-00-000-3669 5305-00-000-3830 5305-00-000-3831
SUBSTITUTES & CROSS-REFERENCES 1
4091837Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
Ready to buy 4091837001?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 4091837001?
4091837001 is a SCREW,CAP,HEXAGON HEAD.
What parts can replace 4091837001?
There is 1 known substitute for 4091837001: 4091837. Substitute compatibility should be verified for your specific system.
What is the NSN for 4091837001?
4091837001 is cataloged in the U.S. Government catalog under NSN 5305-01-653-2944. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 4091837001

✓ 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.