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4FA0302-21 — HINGE,BUTT

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

4FA0302-21: HINGE,BUTT.

The HINGE,BUTT is a the manufacturer industrial component. Key specifications include pin_diameter: 0.092 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN, overall_length: 9.990 INCHES MINIMUM AND 10.010 INCHES MAXIMUM IN, performance_type: NOT RATED, pin_removability: NONREMOVABLE, style_designator: BUTT, material_thickness: 0.027 INCHES MINIMUM AND 0.047 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-479-9361, 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
4FA0302-21
NSN: 5340-01-479-9361
FSC: 5340 — Hardware, Commercial
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
pin_diameter0.092 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
overall_length9.990 INCHES MINIMUM AND 10.010 INCHES MAXIMUM IN
performance_typeNOT RATED
pin_removabilityNONREMOVABLE
style_designatorBUTT
material_thickness0.027 INCHES MINIMUM AND 0.047 INCHES MAXIMUM IN
reversible_featureNOT INCLUDED
pin_center_to_body_edge_distance0.515 INCHES MINIMUM AND 0.547 INCHES MAXIMUM IN
NSN5340-01-479-9361
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4FA0302-21 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
PIN DIAMETER: 0.092 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
•
REVERSIBLE FEATURE: NOT INCLUDED
•
STYLE DESIGNATOR: BUTT
•
PIN CENTER TO BODY EDGE DISTANCE: 0.515 INCHES MINIMUM AND 0.547 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.027 INCHES MINIMUM AND 0.047 INCHES MAXIMUM IN
•
PIN REMOVABILITY: NONREMOVABLE
•
PERFORMANCE TYPE: NOT RATED
TECHNICAL CHARACTERISTICS
PIN DIAMETER0.092 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
REVERSIBLE FEATURENOT INCLUDED
STYLE DESIGNATORBUTT
OVERALL LENGTH9.990 INCHES MINIMUM AND 10.010 INCHES MAXIMUM IN
PIN CENTER TO BODY EDGE DISTANCE0.515 INCHES MINIMUM AND 0.547 INCHES MAXIMUM IN
MATERIAL THICKNESS0.027 INCHES MINIMUM AND 0.047 INCHES MAXIMUM IN
PIN REMOVABILITYNONREMOVABLE
PERFORMANCE TYPENOT RATED
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4FA0302-21?
4FA0302-21 is a HINGE,BUTT.
What is the NSN for 4FA0302-21?
4FA0302-21 is cataloged in the U.S. Government catalog under NSN 5340-01-479-9361. 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.