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63403 — SHOCK ABSORBER,DIRECT ACTION

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

63403: SHOCK ABSORBER,DIRECT ACTION.

The SHOCK ABSORBER,DIRECT ACTION is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1006 OR STEEL COMP 1010 OVERALL, nut_style: BLIND RIVET W/SMOOTH ROUND SHANK, head_style: FLAT, nut_diameter: 0.280 INCHES MAXIMUM IN, thread_class: 2B, head_diameter: 0.320 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-275-5943, 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
63403
NSN: 5325-00-275-5943
NIINs: 002755943, 011319860, 011658369, 011812315
FSC: 5325 — Fastening Devices
CAGE: 61864 — TRW ASSEMBLIES AND FASTENERS GROUP (USA)
SPECIFICATIONS
materialSTEEL COMP 1006 OR STEEL COMP 1010 OVERALL
nut_styleBLIND RIVET W/SMOOTH ROUND SHANK
head_styleFLAT
nut_diameter0.280 INCHES MAXIMUM IN
thread_class2B
head_diameter0.320 INCHES NOMINAL IN
thread_seriesUNIFIED NATIONAL COARSE (UNC)
shank_end_typeOPEN
operation_methodHYDRAULIC
special_featuresEXTRA HEAVY DUTY
thread_directionRIGHT-HAND
surface_treatmentZINC AND CHROMATE OVERALL
NSN5325-00-275-5943
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 63403 · 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
•
FLANGE OUTSIDE DIAMETER: 0.781 INCHES NOMINAL IN
•
SURFACE TREATMENT: NICKEL OVERALL
•
BARREL OUTSIDE DIAMETER: 0.344 INCHES NOMINAL IN
•
MATERIAL: COPPER ALLOY OVERALL
•
FLANGE STYLE: FLANGE
•
BARREL STYLE: STRAIGHT ROUND TYPE
•
BARREL HEIGHT: 0.281 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FLANGE OUTSIDE DIAMETER0.781 INCHES NOMINAL IN
SURFACE TREATMENTNICKEL OVERALL
BARREL OUTSIDE DIAMETER0.344 INCHES NOMINAL IN
MATERIALCOPPER ALLOY OVERALL
FLANGE STYLEFLANGE
BARREL STYLESTRAIGHT ROUND TYPE
BARREL HEIGHT0.281 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 63403?
63403 is a SHOCK ABSORBER,DIRECT ACTION.
What is the NSN for 63403?
63403 is cataloged in the U.S. Government catalog under NSN 5325-00-275-5943. 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.