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54267-4-10 — SCREW,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

54267-4-10: SCREW,SHOULDER.

The SCREW,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: FLAT COUNTERSUNK UNDERCUT, head_height: 0.065 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.502 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN, thread_length: 0.443 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-347-8355, 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
54267-4-10
NSN: 5305-00-347-8355
FSC: 5305 — Screws
CAGE: 56878 — SPS TECHNOLOGIES, LLC DBA PB FASTENERS (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleFLAT COUNTERSUNK UNDERCUT
head_height0.065 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
thread_class3A A
head_diameter0.502 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN
thread_length0.443 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
shoulder_shapeROUND FIRST SHOULDER
fastener_length1.078 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
shoulder_length0.548 INCHES MINIMUM AND 0.570 INCHES MAXIMUM FIRST SHOULDER IN
special_featuresFURNISHED WITH ONE O-RING
thread_directionRIGHT-HAND
countersink_angle100.0 DEGREES NOMINAL
NSN5305-00-347-8355
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 54267-4-10 · 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: 0.065 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.078 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
•
SHOULDER LENGTH: 0.548 INCHES MINIMUM AND 0.570 INCHES MAXIMUM FIRST SHOULDER IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: 3-52 FSCM 76301 MFR REF SINGLE TREATMENT RESPONSE OVERALL
•
SHOULDER DIAMETER: 0.264 INCHES MINIMUM AND 0.265 INCHES MAXIMUM FIRST SHOULDER IN
•
THREAD LENGTH: 0.443 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
•
SHOULDER SHAPE: ROUND FIRST SHOULDER
•
MATERIAL DOCUMENT AND CLASSIFICATION: 3-52 FSCM 76301 MFR REF SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.065 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
FASTENER LENGTH1.078 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
SHOULDER LENGTH0.548 INCHES MINIMUM AND 0.570 INCHES MAXIMUM FIRST SHOULDER IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION3-52 FSCM 76301 MFR REF SINGLE TREATMENT RESPONSE OVERALL
SHOULDER DIAMETER0.264 INCHES MINIMUM AND 0.265 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH0.443 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
SHOULDER SHAPEROUND FIRST SHOULDER
MATERIAL DOCUMENT AND CLASSIFICATION3-52 FSCM 76301 MFR REF SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES IN
HEAD STYLEFLAT COUNTERSUNK UNDERCUT
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 3
HT41UA10Reference document
Same NSN cross-reference
Reference document — Secondary reference
HT409A4-10Reference document
Same NSN cross-reference
Reference document — Secondary reference
3M50-4-10Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
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 54267-4-10?
54267-4-10 is a SCREW,SHOULDER.
What parts can replace 54267-4-10?
There are 3 known substitutes for 54267-4-10: HT41UA10, HT409A4-10, 3M50-4-10. Substitute compatibility should be verified for your specific system.
What is the NSN for 54267-4-10?
54267-4-10 is cataloged in the U.S. Government catalog under NSN 5305-00-347-8355. 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.