PartsTable
Technical Data Sheet

R632-1/2 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

R632-1/2: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: WATERTIGHT, head_height: 0.097 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.294 INCHES MAXIMUM IN, thread_length: 0.407 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN, screw_material: STEEL CORROSION RESISTING. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-048-3239, 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
R632-1/2
NSN: 5305-01-048-3239
NIINs: 010483239, 015985769
FSC: 5305 — Screws
CAGE: 97539 — APM HEXSEAL CORP (USA)
SPECIFICATIONS
head_styleWATERTIGHT
head_height0.097 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.294 INCHES MAXIMUM IN
thread_length0.407 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
screw_materialSTEEL CORROSION RESISTING
fastener_length0.469 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
special_featuresFURNISHED WITH SILICONE RUBBER O RING
thread_directionRIGHT-HAND
internal_drive_styleCROSS RECESS TYPE 1
end_item_identification2355015626152
nominal_thread_diameter0.138 INCHES IN
NSN5305-01-048-3239
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: R632-1/2 · 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: 0.097 INCHES MAXIMUM IN
•
SCREW SURFACE TREATMENT: PASSIVATE
•
FASTENER LENGTH: 0.469 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.407 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.138 INCHES IN
•
HEAD STYLE: WATERTIGHT
•
THREAD DIRECTION: RIGHT-HAND
•
SCREW MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.097 INCHES MAXIMUM IN
SCREW SURFACE TREATMENTPASSIVATE
FASTENER LENGTH0.469 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
THREAD LENGTH0.407 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.138 INCHES IN
HEAD STYLEWATERTIGHT
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALSTEEL CORROSION RESISTING
SPECIAL FEATURESFURNISHED WITH SILICONE RUBBER O RING
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
SUBSTITUTES & CROSS-REFERENCES 1
451837Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 R632-1/2?
R632-1/2 is a SCREW,MACHINE.
What parts can replace R632-1/2?
There is 1 known substitute for R632-1/2: 451837. Substitute compatibility should be verified for your specific system.
What is the NSN for R632-1/2?
R632-1/2 is cataloged in the U.S. Government catalog under NSN 5305-01-048-3239. 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.