PartsTable
Technical Data Sheet
Download PDF

54990 — CHAIN,WELDLESS

✓ Government record, cited
Hama · ORING SEAL
PRODUCT OVERVIEW

54990: CHAIN,WELDLESS.

- Trendy fabric bag for storing the Nintendo 3DS and for protecting it against dirt and scratches - Openings for all connections and controls - Extendable stylus ensures improved handling while gaming - The extra compartment provides space for classic accessories like games or input pens - Thanks to an integrated plastic holder, the Nintendo 3DS can remain in the bag while you play - Zip for quick access to the console - The protective function of the bag is maintained when you play. This part is cataloged in the U.S. Government catalog under NSN 5340-00-403-3271, indicating validated use in U.S.

government and defense logistics supply chains.

WHERE IT FITS
54990
NSN: 5340-00-403-3271
NIINs: 004033271, 009738903, 011332817, 016140669
FSC: 5340 — Hardware, Commercial
CAGE: 99167 — HAMILTON SUNDSTRAND CORPORATION (USA)
SPECIFICATIONS
diameter0.170 INCHES NOMINAL STRAND IN
materialSTEEL OVERALL
thickness0.028 INCHES NOMINAL IN
overall_length0.400 FEET NOMINAL FT
style_designatorSASH
breaking_strengthERR-060
end_item_identificationNSN:4940-01-591-0265
part_name_assigned_by_controlling_agencySASH CHAIN-NOT FOR LIFTING
NSN5340-00-403-3271
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 54990 MFR: Hama ⚠ 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
•
DESIGN TYPE: FRICTION
•
OPENING INSIDE DIAMETER FOR WHICH DESIGNED: 1.700 INCHES MINIMUM AND 1.800 INCHES MAXIMUM IN
•
MATERIAL: PLASTIC, POLYETHYLENE (PP)
•
INSIDE DIAMETER LENGTH: 0.950 INCHES MINIMUM AND 1.050 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
DESIGN TYPEFRICTION
OPENING INSIDE DIAMETER FOR WHICH DESIGNED1.700 INCHES MINIMUM AND 1.800 INCHES MAXIMUM IN
MATERIALPLASTIC, POLYETHYLENE (PP)
INSIDE DIAMETER LENGTH0.950 INCHES MINIMUM AND 1.050 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 1
1-3-4SCReference 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
Ready to buy 54990?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 54990?
54990 is a CHAIN,WELDLESS manufactured by Hama.
What parts can replace 54990?
There is 1 known substitute for 54990: 1-3-4SC. Substitute compatibility should be verified for your specific system.
What is the NSN for 54990?
54990 is cataloged in the U.S. Government catalog under NSN 5340-00-403-3271. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 54990

✓ 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.