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211073276 — SCREW,CAP,SOCKET HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

211073276: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYAMIDE NYLON LOCKING FEATURE, head_style: FLAT CHAMFER, head_height: 0.864 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 1.293 INCHES MINIMUM AND 1.312 INCHES MAXIMUM IN, thread_length: 2.250 INCHES MINIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-445-9869, 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
211073276
NSN: 5305-01-445-9869
FSC: 5305 — Screws
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialPLASTIC POLYAMIDE NYLON LOCKING FEATURE
head_styleFLAT CHAMFER
head_height0.864 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
thread_class3A A
head_diameter1.293 INCHES MINIMUM AND 1.312 INCHES MAXIMUM IN
thread_length2.250 INCHES MINIMUM IN
fastener_length7.500 INCHES NOMINAL IN
hardness_rating80.0 ROCKWELL B MINIMUM FASTENER
locking_featurePATCH OR PELLET OR STRIP THREADS
thread_directionRIGHT-HAND
width_across_flats0.750 INCHES MINIMUM IN
internal_drive_styleHEXAGON
NSN5305-01-445-9869
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 211073276 · 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
•
WIDTH ACROSS FLATS: 0.750 INCHES MINIMUM IN
•
HEAD HEIGHT: 0.864 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
•
FASTENER LENGTH: 7.500 INCHES NOMINAL IN
•
THREAD LENGTH: 2.250 INCHES MINIMUM IN
•
HARDNESS RATING: 80.0 ROCKWELL B MINIMUM FASTENER
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE FASTENER
•
NOMINAL THREAD DIAMETER: 0.875 INCHES IN
•
HEAD STYLE: FLAT CHAMFER
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.750 INCHES MINIMUM IN
HEAD HEIGHT0.864 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
FASTENER LENGTH7.500 INCHES NOMINAL IN
THREAD LENGTH2.250 INCHES MINIMUM IN
HARDNESS RATING80.0 ROCKWELL B MINIMUM FASTENER
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE FASTENER
NOMINAL THREAD DIAMETER0.875 INCHES IN
HEAD STYLEFLAT CHAMFER
THREAD DIRECTIONRIGHT-HAND
LOCKING FEATUREPATCH OR PELLET OR STRIP THREADS
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
801-6404978-4Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 211073276?
211073276 is a SCREW,CAP,SOCKET HEAD.
What parts can replace 211073276?
There is 1 known substitute for 211073276: 801-6404978-4. Substitute compatibility should be verified for your specific system.
What is the NSN for 211073276?
211073276 is cataloged in the U.S. Government catalog under NSN 5305-01-445-9869. 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.