PartsTable
Technical Data Sheet
Download PDF

53A-00-233-2 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

53A-00-233-2: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FLAT COUNTERSUNK, thread_class: 3A A, head_diameter: 0.480 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN, thread_length: 0.679 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN, screw_material: NICKEL ALLOY K-500, fastener_length: 0.690 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-362-7294, 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
53A-00-233-2
NSN: 5305-01-362-7294
FSC: 5305 — Screws
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
head_styleFLAT COUNTERSUNK
thread_class3A A
head_diameter0.480 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN
thread_length0.679 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
screw_materialNICKEL ALLOY K-500
fastener_length0.690 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
locking_featureSTRIP
thread_directionRIGHT-HAND
countersink_angle80.0 DEGREES MINIMUM AND 84.0 DEGREES MAXIMUM
width_between_flats0.156 INCHES MINIMUM AND 0.158 INCHES MAXIMUM IN
nominal_thread_diameter0.250 INCHES IN
locking_feature_materialPLASTIC POLYCHLOROTRIFLUOROETHYLENE
NSN5305-01-362-7294
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 53A-00-233-2 · 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
•
FASTENER LENGTH: 0.690 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: QQN286,CLA FED SPEC SINGLE MATERIAL RESPONSE
•
THREAD LENGTH: 0.679 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
•
LOCKING FEATURE MATERIAL: PLASTIC POLYCHLOROTRIFLUOROETHYLENE
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
HEAD STYLE: FLAT COUNTERSUNK
•
THREAD DIRECTION: RIGHT-HAND
•
WIDTH BETWEEN FLATS: 0.156 INCHES MINIMUM AND 0.158 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
FASTENER LENGTH0.690 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONQQN286,CLA FED SPEC SINGLE MATERIAL RESPONSE
THREAD LENGTH0.679 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
LOCKING FEATURE MATERIALPLASTIC POLYCHLOROTRIFLUOROETHYLENE
NOMINAL THREAD DIAMETER0.250 INCHES IN
HEAD STYLEFLAT COUNTERSUNK
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.156 INCHES MINIMUM AND 0.158 INCHES MAXIMUM IN
LOCKING FEATURESTRIP
SCREW MATERIALNICKEL ALLOY K-500
SUBSTITUTES & CROSS-REFERENCES 1
53A-06-123-2Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
Ready to buy 53A-00-233-2?
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 53A-00-233-2?
53A-00-233-2 is a SCREW,MACHINE.
What parts can replace 53A-00-233-2?
There is 1 known substitute for 53A-00-233-2: 53A-06-123-2. Substitute compatibility should be verified for your specific system.
What is the NSN for 53A-00-233-2?
53A-00-233-2 is cataloged in the U.S. Government catalog under NSN 5305-01-362-7294. 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 — 53A-00-233-2

✓ 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.