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H21-9101 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

H21-9101: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: PAN NO. 2, head_height: 0.045 INCHES MINIMUM AND 0.053 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.155 INCHES MINIMUM AND 0.167 INCHES MAXIMUM IN, thread_length: 0.3125 INCHES NOMINAL IN, screw_material: STEEL CORROSION RESISTING.

This part is cataloged in the U.S. Government catalog under NSN 5305-01-714-4082, 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
H21-9101
NSN: 5305-01-714-4082
NIINs: 017144082, 017144960, 017340065
FSC: 5305 — Screws
CAGE: 7QAK7 — L3HARRIS GLOBAL COMMUNICATIONS, INC. DBA HARRIS CORP (USA)
SPECIFICATIONS
head_stylePAN NO. 2
head_height0.045 INCHES MINIMUM AND 0.053 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.155 INCHES MINIMUM AND 0.167 INCHES MAXIMUM IN
thread_length0.3125 INCHES NOMINAL IN
screw_materialSTEEL CORROSION RESISTING
fastener_length0.3122 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
features_providedFLAT WASHER AND LOCK WASHER
internal_drive_styleTORX
spline_major_diameter0.090 INCHES NOMINAL IN
end_item_identification5820-01-670-9623
NSN5305-01-714-4082
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: H21-9101 · 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: 0.045 INCHES MINIMUM AND 0.053 INCHES MAXIMUM IN
•
SCREW SURFACE TREATMENT: PASSIVATE
•
FASTENER LENGTH: 0.3122 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.3125 INCHES NOMINAL IN
•
SPLINE MAJOR DIAMETER: 0.090 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.086 INCHES IN
•
FEATURES PROVIDED: FLAT WASHER AND LOCK WASHER
•
HEAD STYLE: PAN NO. 2
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.045 INCHES MINIMUM AND 0.053 INCHES MAXIMUM IN
SCREW SURFACE TREATMENTPASSIVATE
FASTENER LENGTH0.3122 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM IN
THREAD LENGTH0.3125 INCHES NOMINAL IN
SPLINE MAJOR DIAMETER0.090 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.086 INCHES IN
FEATURES PROVIDEDFLAT WASHER AND LOCK WASHER
HEAD STYLEPAN NO. 2
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALSTEEL CORROSION RESISTING
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 H21-9101?
H21-9101 is a SCREW,MACHINE.
What is the NSN for H21-9101?
H21-9101 is cataloged in the U.S. Government catalog under NSN 5305-01-714-4082. 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.