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FHS-632-20 — STUD,SELF-LOCKING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

FHS-632-20: STUD,SELF-LOCKING.

The STUD,SELF-LOCKING is a the manufacturer industrial component. Key specifications include head_length: 0.080 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN, thread_class: 2A NUT THREAD A, head_diameter: 0.203 INCHES MINIMUM AND 0.233 INCHES MAXIMUM IN, thread_length: 1.160 INCHES NOMINAL NUT THREAD IN, overall_length: 1.235 INCHES MINIMUM AND 1.265 INCHES MAXIMUM IN, locking_feature: SELF-CLINCHING HEAD. This part is cataloged in the U.S.

Government catalog under NSN 5307-00-900-8447, 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
FHS-632-20
NSN: 5307-00-900-8447
NIINs: 009008447, 011161252, 011950587
FSC: 5307 — Studs
CAGE: 46384 — PENN ENGINEERING & MANUFACTURING CORP (USA)
SPECIFICATIONS
head_length0.080 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
thread_class2A NUT THREAD A
head_diameter0.203 INCHES MINIMUM AND 0.233 INCHES MAXIMUM IN
thread_length1.160 INCHES NOMINAL NUT THREAD IN
overall_length1.235 INCHES MINIMUM AND 1.265 INCHES MAXIMUM IN
locking_featureSELF-CLINCHING HEAD
style_designatorSELF-LOCKING
thread_directionRIGHT-HAND NUT THREAD
surface_treatmentPASSIVATE OVERALL
nominal_thread_size0.138 INCHES NUT THREAD IN
thread_quantity_per_inch32 NUT THREAD
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) NUT THREAD
NSN5307-00-900-8447
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: FHS-632-20 · 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
•
STYLE DESIGNATOR: SELF-LOCKING
•
MATERIAL DOCUMENT AND CLASSIFICATION: AISI ASSN STD SINGLE MATERIAL RESPONSE
•
THREAD DIRECTION: RIGHT-HAND NUT THREAD
•
NOMINAL THREAD SIZE: 0.138 INCHES NUT THREAD IN
•
LOCKING FEATURE: SELF-CLINCHING HEAD
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
THREAD CLASS: 2A NUT THREAD A
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORSELF-LOCKING
MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD SINGLE MATERIAL RESPONSE
OVERALL LENGTH1.250 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND NUT THREAD
NOMINAL THREAD SIZE0.138 INCHES NUT THREAD IN
LOCKING FEATURESELF-CLINCHING HEAD
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS2A NUT THREAD A
THREAD QUANTITY PER INCH32 NUT THREAD
MATERIALSTEEL COMP 305
SUBSTITUTES & CROSS-REFERENCES 3
10116387Reference document
Same NSN cross-reference
Reference document — Informative reference only
8735910-31Reference document
Same NSN cross-reference
Reference document — Secondary reference
682-007-9109Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is FHS-632-20?
FHS-632-20 is a STUD,SELF-LOCKING.
What parts can replace FHS-632-20?
There are 3 known substitutes for FHS-632-20: 10116387, 8735910-31, 682-007-9109. Substitute compatibility should be verified for your specific system.
What is the NSN for FHS-632-20?
FHS-632-20 is cataloged in the U.S. Government catalog under NSN 5307-00-900-8447. 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.