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2491604 — SPACER,UNDERWATER MINE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

2491604: SPACER,UNDERWATER MINE.

The SPACER,UNDERWATER MINE is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: NO. 39,POLYURETHANE FOAM,ROUND 5.00 IN.

LG,2.50 IN. DIA,FORMINES MK 36,49 IN. This part is cataloged in the U.S.

Government catalog under NSN 1350-00-890-7940, 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
2491604
NSN: 1350-00-890-7940
FSC: 1350 — Underwater Mine and Components, Inert
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
general_characteristics_item_descriptionNO. 39,POLYURETHANE FOAM,ROUND 5.00 IN. LG,2.50 IN. DIA,FORMINES MK 36,49 IN
NSN1350-00-890-7940
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPACER,UNDERWATER MINE TITLE COMPONENT PN 2491604 MFR SPACER,UNDERWATER MINE
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: NO. 39,POLYURETHANE FOAM,ROUND 5.00 IN. LG,2.50 IN. DIA,FORMINES MK 36,49 IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONNO. 39,POLYURETHANE FOAM,ROUND 5.00 IN. LG,2.50 IN. DIA,FORMINES MK 36,49 IN
OTHER ITEMS IN FSC 1350 — Underwater Mine and Components, Inert
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
1350-00-038-5752 1350-00-038-5753 1350-00-038-7041 1350-00-038-7182 1350-00-038-7183 1350-00-038-7663
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is 2491604?
2491604 is a SPACER,UNDERWATER MINE.
What is the NSN for 2491604?
2491604 is cataloged in the U.S. Government catalog under NSN 1350-00-890-7940. 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.