PartsTable
Technical Data Sheet
Download PDF

227997 — SCREW,CAP,HEXAGON HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

227997: SCREW,CAP,HEXAGON HEAD.

The SCREW,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 0.277 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 1.250 INCHES MINIMUM AND 1.438 INCHES MAXIMUM IN, fastener_length: 1.594 INCHES MINIMUM AND 1.656 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-022-7997, 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
227997
NSN: 5305-00-022-7997
FSC: 5305 — Screws
CAGE: 21450 — ARMY WEAPONS COMMAND ATTN AMSWE-REE-S (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height0.277 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN
thread_class2A A
thread_length1.250 INCHES MINIMUM AND 1.438 INCHES MAXIMUM IN
fastener_length1.594 INCHES MINIMUM AND 1.656 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
width_between_flats0.725 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
nominal_thread_diameter0.500 INCHES IN
thread_quantity_per_inch13
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5305-00-022-7997
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 227997 · 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: 0.277 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.594 INCHES MINIMUM AND 1.656 INCHES MAXIMUM IN
•
THREAD LENGTH: 1.250 INCHES MINIMUM AND 1.438 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.500 INCHES IN
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
•
WIDTH BETWEEN FLATS: 0.725 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
•
MINIMUM YIELD STRENGTH: 130000 POUNDS PER SQUARE INCH LBS
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.277 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN
FASTENER LENGTH1.594 INCHES MINIMUM AND 1.656 INCHES MAXIMUM IN
THREAD LENGTH1.250 INCHES MINIMUM AND 1.438 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.500 INCHES IN
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.725 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
MINIMUM YIELD STRENGTH130000 POUNDS PER SQUARE INCH LBS
THREAD CLASS2A A
THREAD QUANTITY PER INCH13
SUBSTITUTES & CROSS-REFERENCES 4
17C826Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
FFS85TYPE2STYLE10PReference document
Same NSN cross-reference
Reference document — Identification reference
S2813-1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
72947Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
Ready to buy 227997?
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 227997?
227997 is a SCREW,CAP,HEXAGON HEAD.
What parts can replace 227997?
There are 4 known substitutes for 227997: 17C826, FFS85TYPE2STYLE10P, S2813-1 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 227997?
227997 is cataloged in the U.S. Government catalog under NSN 5305-00-022-7997. 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 — 227997