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211056400 — SCREW,CAP,SOCKET HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

211056400: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: RUBBER FLUOROCARBON CLASS FPM, center_hole_diameter: 20.955 INCHES NOMINAL IN, cross-sectional_height: 0.275 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-125-9022, 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
211056400
NSN: 5305-01-125-9022
NIINs: 011259022, 014287166
FSC: 5305 — Screws
CAGE: 80009 — TEKTRONIX, INC. (USA)
SPECIFICATIONS
materialRUBBER FLUOROCARBON CLASS FPM
center_hole_diameter20.955 INCHES NOMINAL IN
cross-sectional_height0.275 INCHES NOMINAL IN
NSN5305-01-125-9022
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 211056400 · 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: 0.109 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.134 INCHES MINIMUM AND 0.138 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.345 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.283 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.138 INCHES IN
•
HEAD STYLE: FLAT CHAMFER
•
THREAD DIRECTION: RIGHT-HAND
•
SURFACE TREATMENT: OXIDE OVERALL
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.109 INCHES NOMINAL IN
HEAD HEIGHT0.134 INCHES MINIMUM AND 0.138 INCHES MAXIMUM IN
FASTENER LENGTH0.345 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
THREAD LENGTH0.283 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.138 INCHES IN
HEAD STYLEFLAT CHAMFER
THREAD DIRECTIONRIGHT-HAND
SURFACE TREATMENTOXIDE OVERALL
INTERNAL DRIVE STYLEHEXAGON
THREAD CLASS3A A
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 211056400?
211056400 is a SCREW,CAP,SOCKET HEAD.
What is the NSN for 211056400?
211056400 is cataloged in the U.S. Government catalog under NSN 5305-01-125-9022. 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.