PartsTable TECHNICAL DATA SHEET

NSN 5360-01-646-2843Government record, cited

Spring, Helical, Compression5360-01-646-2843

NSN 5360-01-646-2843 · NIIN 016462843 · Part number 16523549

Naval Sea Systems Command · FSC 5360 — Coil, Flat, Leaf, and Wire Springs · FSG 53 — Hardware and Abrasives · CAGE 53711

Government record, cited

NSN 5360-01-646-2843 — this item is cataloged by the U.S. Government under National Stock Number 5360-01-646-2843. Manufacturer of record part number: 16523549.

Also searched as 5360-01-646-2843 · 5360016462843 · NIIN 016462843 · 01-646-2843 · FSC 5360 Coil, Flat, Leaf, and Wire Springs · CAGE 53711 · 16523549 · 588-7666730 ITEM 18 · 588-7666730

Nearby stock numbers ← 5360-01-646-2691 Spring, Spiral, Torsion · 5360-01-646-2945 Spring, Motor Actuating →

Features

Spring,helical,compression — FSC 5360
1 manufacturer part number on file
Manufacturer of record: Naval Sea Systems Command

Identification

NSN: 5360-01-646-2843
NIIN: 016462843
FSC: 5360 — Coil, Flat, Leaf, and Wire Springs
FSG: 53 — Hardware and Abrasives
Primary part number: 16523549
Manufacturer: Naval Sea Systems Command

General Description

The Spring,helical,compression, cataloged under National Stock Number 5360-01-646-2843, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 8 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Catalog Facts

Item Name	Spring,helical,compression
FSC / FSG	5360 — Coil, Flat, Leaf, and Wire Springs (FSG 53)
Manufacturers	Naval Sea Systems Command (CAGE 53711)

Technical Specifications

Parameter	Value
NSN	5360-01-646-2843
Primary Part Number	16523549
Item Name	Spring,helical,compression
FSC / FSG	5360 / 53 — Coil, Flat, Leaf, and Wire Springs
Manufacturer	Naval Sea Systems Command
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

⇄ Related Items 8

Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.

5315-01-646-2934588-7666730 ITEM 21 POSSIBLE MATCH

PIN,SHOULDER,HEADED

Possible match (shared part number)Naval Sea Systems Command

5315-01-646-3065NASM24665-660 POSSIBLE MATCH

PIN,COTTER

Possible match (shared part number)National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use

5310-01-646-3066NASM17829, Z16C POSSIBLE MATCH

NUT,SELF-LOCKING,HEXAGON

Possible match (shared part number)National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use

5310-01-646-6530588-7666730 ITEM 13 POSSIBLE MATCH

NUT,SELF-LOCKING,HEXAGON

Possible match (shared part number)Naval Sea Systems Command

5310-01-646-9307588-7666730 ITEM 10 POSSIBLE MATCH

WASHER,FLAT

Possible match (shared part number)Naval Sea Systems Command

3990-01-648-1274588-7666730 ASSY 94 POSSIBLE MATCH

ROLLER,MATERIAL HANDLING

Possible match (shared part number)Naval Sea Systems Command

5340-01-648-2410588-7666730 AY96, ITEM 42 POSSIBLE MATCH

ROD,STRAIGHT,HEADLESS

Possible match (shared part number)Naval Sea Systems Command

5340-01-648-2411588-7666730 AY97, ITEM 28 POSSIBLE MATCH

ROD,STRAIGHT,HEADLESS

Possible match (shared part number)Naval Sea Systems Command

Cross-Reference Index

Part Number	Manufacturer
16523549 PRIMARY	Naval Sea Systems Command (USA)

Reference documents

Reference	Meaning
588-7666730 ITEM 18	C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command
588-7666730	D/9 Drawing number reference only Naval Sea Systems Command

Related Parts

5315-01-646-2934POSSIBLE MATCH

PIN,SHOULDER,HEADED

588-7666730 ITEM 21

5315-01-646-3065POSSIBLE MATCH

PIN,COTTER

NASM24665-660

5310-01-646-3066POSSIBLE MATCH

NUT,SELF-LOCKING,HEXAGON

NASM17829, Z16C

5310-01-646-6530POSSIBLE MATCH

NUT,SELF-LOCKING,HEXAGON

588-7666730 ITEM 13

5310-01-646-9307POSSIBLE MATCH

WASHER,FLAT

588-7666730 ITEM 10

3990-01-648-1274POSSIBLE MATCH

ROLLER,MATERIAL HANDLING

588-7666730 ASSY 94

5340-01-648-2410POSSIBLE MATCH

ROD,STRAIGHT,HEADLESS

588-7666730 AY96, ITEM 42

5340-01-648-2411POSSIBLE MATCH

ROD,STRAIGHT,HEADLESS

588-7666730 AY97, ITEM 28

Frequently Asked Questions

What is NSN 5360-01-646-2843?

NSN 5360-01-646-2843 is a Spring,helical,compression, manufactured by Naval Sea Systems Command, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.

What part numbers are listed for NSN 5360-01-646-2843?

NSN 5360-01-646-2843 has 1 manufacturer part number on file: 16523549 (Naval Sea Systems Command).

What NSN replaces 5360-01-646-2843?

8 possible matches (shared part number, not a government interchangeability claim): 5315-01-646-2934, 5315-01-646-3065, 5310-01-646-3066. Verify interchangeability with system specifications before substitution.

Is NSN 5360-01-646-2843 hazardous material?

No hazard code in the DLA record (HMIC N). 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.

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