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2004121-1 — SETSCREW

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

2004121-1: SETSCREW.

The SETSCREW is a the manufacturer industrial component. Key specifications include end_item_identification: U-2 AIRCRAFT, part_name_assigned_by_controlling_agency: COVER ACCESS. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-317-0413, 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
2004121-1
NSN: 5305-01-317-0413
NIINs: 013170413, 017023251
FSC: 5305 — Screws
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
end_item_identificationU-2 AIRCRAFT
part_name_assigned_by_controlling_agencyCOVER ACCESS
NSN5305-01-317-0413
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 2004121-1 · 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
•
POINT DIAMETER: 0.197 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN
•
POINT LENGTH: 0.100 INCHES NOMINAL IN
•
FASTENER LENGTH: 0.100 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
HEAD STYLE: HEADLESS (SETSCREW)
•
THREAD DIRECTION: RIGHT-HAND
•
POINT STYLE: FULL DOG
•
INTERNAL DRIVE STYLE: SLOT
TECHNICAL CHARACTERISTICS
POINT DIAMETER0.197 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN
POINT LENGTH0.100 INCHES NOMINAL IN
FASTENER LENGTH0.100 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.250 INCHES IN
HEAD STYLEHEADLESS (SETSCREW)
THREAD DIRECTIONRIGHT-HAND
POINT STYLEFULL DOG
INTERNAL DRIVE STYLESLOT
THREAD CLASS3A A
THREAD QUANTITY PER INCH28
SUBSTITUTES & CROSS-REFERENCES 2
200412PC11Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
200412 PIECE 11Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 2004121-1?
2004121-1 is a SETSCREW.
What parts can replace 2004121-1?
There are 2 known substitutes for 2004121-1: 200412PC11, 200412 PIECE 11. Substitute compatibility should be verified for your specific system.
What is the NSN for 2004121-1?
2004121-1 is cataloged in the U.S. Government catalog under NSN 5305-01-317-0413. 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.