PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21-028Strap,retaining

Hii Unmanned Systems, Inc · NSN 5340-01-588-2607 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-588-2607 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-588-2607. Primary manufacturer part number: 21-028.
Features
  • Strap,retaining — FSC 5340
  • 5 verified cross-references
  • Primary manufacturer: Hii Unmanned Systems, Inc
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Strap,retaining, cataloged under National Stock Number 5340-01-588-2607, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Hii Unmanned Systems, Inc. This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5340-01-588-2607
Primary Part Number21-028
Item NameStrap,retaining
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerHii Unmanned Systems, Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5360-00-229-287121028 INTERCHANGEABLE
Spring,helical,compression
Hydro-Aire Aerospace Corp
4810-00-237-026870000565 INTERCHANGEABLE
Seat,valve
Akron Brass Company
5905-00-566-1636 INTERCHANGEABLE
Resistor,variable,wire Wound,non
5940-00-577-0742 INTERCHANGEABLE
Terminal,lug
5945-00-911-988921-028 INTERCHANGEABLE
Relay,electromagnetic
Te Connectivity Corporation
2990-00-991-3657101901 INTERCHANGEABLE
Muffler,exhaust
Arvin Industries Inc
5940-01-529-329321028 INTERCHANGEABLE
Terminal Junction Block,sectiona
Gaylord Marine Services, Inc.
4940-01-723-105221028 INTERCHANGEABLE
Canister,pressurize,air Brush
Wd-40 Company
Cross-Reference Index
Part NumberManufacturer
21-028 Bluezone Group Pty Limited (AUS)
21-028 J. Bornhoft Industriegerate Gesellschaft Mit Beschrankter Haftung (DEU)
10336458 Nimikkeistokeskus Ncb Finland (FIN)
21-028 Leidos Australia Pty Limited (AUS)
21-028 PRIMARY Hii Unmanned Systems, Inc (USA)
Related Parts
5360-00-229-2871INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
21028
4810-00-237-0268INTERCHANGEABLE
SEAT,VALVE
70000565
5905-00-566-1636INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
5940-00-577-0742INTERCHANGEABLE
TERMINAL,LUG
5945-00-911-9889INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
21-028
2990-00-991-3657INTERCHANGEABLE
MUFFLER,EXHAUST
101901
5940-01-529-3293INTERCHANGEABLE
TERMINAL JUNCTION BLOCK,SECTIONA
21028
4940-01-723-1052INTERCHANGEABLE
CANISTER,PRESSURIZE,AIR BRUSH
21028

Frequently Asked Questions

What is NSN 5340-01-588-2607?

NSN 5340-01-588-2607 is a Strap,retaining, manufactured by Hii Unmanned Systems, Inc, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-01-588-2607?

NSN 5340-01-588-2607 has 5 cross-referenced part numbers: 21-028 (Bluezone Group Pty Limited), 21-028 (J. Bornhoft Industriegerate Gesellschaft Mit Beschrankter Haftung), 10336458 (Nimikkeistokeskus Ncb Finland), 21-028 (Leidos Australia Pty Limited), 21-028 (Hii Unmanned Systems, Inc).

What NSN replaces 5340-01-588-2607?

There are 8 known substitutes for 5340-01-588-2607: 5360-00-229-2871, 4810-00-237-0268, 5905-00-566-1636 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21-028?

Key specifications for 21-028: End Item Identification: AUV (AUTONOMOUS UNDERWATER VEHICLE); Part Name Assigned by Controlling Agency: STRAP, VELCRO. 2 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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