PartsTable
Technical Data Sheet
Download PDF

28-2044 — SCREW,CAP,HEXAGON HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

28-2044: SCREW,CAP,HEXAGON HEAD.

The SCREW,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include head_style: HEXAGON, head_height: 0.749 INCHES MINIMUM AND 0.813 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 2.750 INCHES MAXIMUM IN, fastener_length: 2.750 INCHES NOMINAL IN, width_between_flats: 1.812 INCHES MINIMUM AND 1.875 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-451-6601, 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
28-2044
NSN: 5305-00-451-6601
FSC: 5305 — Screws
CAGE: 10988 — CNH INDUSTRIAL AMERICA LLC DBA CNH AMERICA (USA)
SPECIFICATIONS
head_styleHEXAGON
head_height0.749 INCHES MINIMUM AND 0.813 INCHES MAXIMUM IN
thread_class2A A
thread_length2.750 INCHES MAXIMUM IN
fastener_length2.750 INCHES NOMINAL IN
width_between_flats1.812 INCHES MINIMUM AND 1.875 INCHES MAXIMUM IN
NSN5305-00-451-6601
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 28-2044 · 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: 0.749 INCHES MINIMUM AND 0.813 INCHES MAXIMUM IN
•
FASTENER LENGTH: 2.750 INCHES NOMINAL IN
•
THREAD LENGTH: 2.750 INCHES MAXIMUM IN
•
HEAD STYLE: HEXAGON
•
WIDTH BETWEEN FLATS: 1.812 INCHES MINIMUM AND 1.875 INCHES MAXIMUM IN
•
THREAD CLASS: 2A A
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.749 INCHES MINIMUM AND 0.813 INCHES MAXIMUM IN
FASTENER LENGTH2.750 INCHES NOMINAL IN
THREAD LENGTH2.750 INCHES MAXIMUM IN
HEAD STYLEHEXAGON
WIDTH BETWEEN FLATS1.812 INCHES MINIMUM AND 1.875 INCHES MAXIMUM IN
THREAD CLASS2A A
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

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
Ready to buy 28-2044?
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 28-2044?
28-2044 is a SCREW,CAP,HEXAGON HEAD.
What is the NSN for 28-2044?
28-2044 is cataloged in the U.S. Government catalog under NSN 5305-00-451-6601. 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 — 28-2044

✓ 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.