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211031443 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

211031443: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: OVAL COUNTERSUNK, thread_class: 2A A, head_diameter: 1.125 INCHES NOMINAL IN, thread_length: 1.000 INCHES NOMINAL IN, screw_material: NICKEL ALLOY K-500, fastener_length: 1.000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-434-2956, 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
211031443
NSN: 5305-01-434-2956
FSC: 5305 — Screws
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
head_styleOVAL COUNTERSUNK
thread_class2A A
head_diameter1.125 INCHES NOMINAL IN
thread_length1.000 INCHES NOMINAL IN
screw_materialNICKEL ALLOY K-500
fastener_length1.000 INCHES NOMINAL IN
locking_featurePATCH OR PELLET OR STRIP
thread_directionRIGHT-HAND
countersink_angle82.0 DEGREES NOMINAL
internal_drive_styleCROSS RECESS TYPE 1
nominal_thread_diameter0.625 INCHES IN
locking_feature_materialPLASTIC POLYAMIDE NYLON
NSN5305-01-434-2956
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 211031443 · 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: 1.000 INCHES NOMINAL IN
•
THREAD LENGTH: 1.000 INCHES NOMINAL IN
•
LOCKING FEATURE MATERIAL: PLASTIC POLYAMIDE NYLON
•
NOMINAL THREAD DIAMETER: 0.625 INCHES IN
•
HEAD STYLE: OVAL COUNTERSUNK
•
THREAD DIRECTION: RIGHT-HAND
•
LOCKING FEATURE: PATCH OR PELLET OR STRIP
•
SCREW MATERIAL: NICKEL ALLOY K-500
TECHNICAL CHARACTERISTICS
FASTENER LENGTH1.000 INCHES NOMINAL IN
THREAD LENGTH1.000 INCHES NOMINAL IN
LOCKING FEATURE MATERIALPLASTIC POLYAMIDE NYLON
NOMINAL THREAD DIAMETER0.625 INCHES IN
HEAD STYLEOVAL COUNTERSUNK
THREAD DIRECTIONRIGHT-HAND
LOCKING FEATUREPATCH OR PELLET OR STRIP
SCREW MATERIALNICKEL ALLOY K-500
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
COUNTERSINK ANGLE82.0 DEGREES NOMINAL
SUBSTITUTES & CROSS-REFERENCES 2
FF-S-92Reference document
Same NSN cross-reference
Reference document — Identification reference
FF-S-92,TY III, STY-2CReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 211031443?
211031443 is a SCREW,MACHINE.
What parts can replace 211031443?
There are 2 known substitutes for 211031443: FF-S-92, FF-S-92,TY III, STY-2C. Substitute compatibility should be verified for your specific system.
What is the NSN for 211031443?
211031443 is cataloged in the U.S. Government catalog under NSN 5305-01-434-2956. 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.