NSN 5340-01-721-5153 · NIIN 017215153 · Part number 8216643-20
Naval Sea Systems Command · FSC 5340 — Hardware, Commercial · FSG 53 — Hardware and Abrasives · CAGE 53711
Government record, cited
NSN 5340-01-721-5153 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-721-5153. Manufacturer of record part number: 8216643-20.
The Plate,clip Retainer, cataloged under National Stock Number 5340-01-721-5153, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 9 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
Catalog Facts
Item Name
Plate,clip Retainer
FSC / FSG
5340 — Hardware, Commercial (FSG 53)
Manufacturers
Naval Sea Systems Command (CAGE 53711)
Technical Specifications
Parameter
Value
NSN
5340-01-721-5153
Primary Part Number
8216643-20
Item Name
Plate,clip Retainer
FSC / FSG
5340 / 53 — Hardware, Commercial
Manufacturer
Naval Sea Systems Command
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Criticality Code
X
Unit of Issue
EA
⇄Related Items9
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5340-01-721-69588216643-26POSSIBLE MATCH
CAP,FILLER OPENING
Possible match (shared part number)Naval Sea Systems Command
5305-01-722-2092POSSIBLE MATCH
SCREW,CAP,HEXAGON HEAD
Possible match (shared part number)
5305-01-722-2846POSSIBLE MATCH
SCREW,CAP,HEXAGON HEAD
Possible match (shared part number)
5340-01-723-4250ERH751-0512A78-33POSSIBLE MATCH
BRACKET,MOUNTING
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
5340-01-723-7274ERH751-0512A78-28POSSIBLE MATCH
BRACKET,ANGLE
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
5340-01-723-7297ERH751-0512A78-34POSSIBLE MATCH
BRACKET,MOUNTING
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
5340-01-723-7308ERH751-0512A78-27POSSIBLE MATCH
BRACKET,ANGLE
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
5340-01-723-7874ERH751-0512A78-26POSSIBLE MATCH
BRACKET,MOUNTING
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
5340-01-724-0433ERH751-0512A78-24POSSIBLE MATCH
CATCH,CLAMPING
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
C/1Advisory reference — outside the item-of-supply concept
Naval Sea Systems Command
8216643
D/9Drawing number reference only
Naval Sea Systems Command
H751-0512-156
5/2Secondary reference
U.S. Government activity
Related Parts
5340-01-721-6958POSSIBLE MATCH
CAP,FILLER OPENING
8216643-26
5305-01-722-2092POSSIBLE MATCH
SCREW,CAP,HEXAGON HEAD
5305-01-722-2846POSSIBLE MATCH
SCREW,CAP,HEXAGON HEAD
5340-01-723-4250POSSIBLE MATCH
BRACKET,MOUNTING
ERH751-0512A78-33
5340-01-723-7274POSSIBLE MATCH
BRACKET,ANGLE
ERH751-0512A78-28
5340-01-723-7297POSSIBLE MATCH
BRACKET,MOUNTING
ERH751-0512A78-34
5340-01-723-7308POSSIBLE MATCH
BRACKET,ANGLE
ERH751-0512A78-27
5340-01-723-7874POSSIBLE MATCH
BRACKET,MOUNTING
ERH751-0512A78-26
5340-01-724-0433POSSIBLE MATCH
CATCH,CLAMPING
ERH751-0512A78-24
Frequently Asked Questions
What is NSN 5340-01-721-5153?
NSN 5340-01-721-5153 is a Plate,clip Retainer, manufactured by Naval Sea Systems Command, classified under FSC 5340, Hardware, Commercial. Status: active.
What part numbers are listed for NSN 5340-01-721-5153?
NSN 5340-01-721-5153 has 4 manufacturer part numbers on file: 223-8216643-20 (Naval Sea Systems Command), 8216643-20 (Naval Sea Systems Command), 8216643 DTL SHT 23 SEC B4 (Naval Sea Systems Command), 223-8216644-156 (Naval Sea Systems Command).
What NSN replaces 5340-01-721-5153?
9 possible matches (shared part number, not a government interchangeability claim): 5340-01-721-6958, 5305-01-722-2092, 5305-01-722-2846. Verify interchangeability with system specifications before substitution.
Is NSN 5340-01-721-5153 hazardous material?
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.