PartsTable TECHNICAL DATA SHEET

NSN 1015-01-411-9510Government record, cited

Hinge Block, Breechblock1015-01-411-9510

NSN 1015-01-411-9510 · NIIN 014119510 · Part number 211050495

Naval Sea Systems Command · FSC 1015 — Guns, 75mm Through 125mm · FSG 10 — Weapons · CAGE 53711

Government record, cited

NSN 1015-01-411-9510 — this item is cataloged by the U.S. Government under National Stock Number 1015-01-411-9510. Manufacturer of record part number: 211050495.

Also searched as 1015-01-411-9510 · 1015014119510 · NIIN 014119510 · 01-411-9510 · FSC 1015 Guns, 75mm Through 125mm · CAGE 53711 · 211050495 · 595-6401267 ITEM 11 · 211069295 · 595-6401593-1 · 6401267

Nearby stock numbers ← 1015-01-411-9509 Shield Assembly, Protective · 1015-01-411-9511 Ring, Breech →

Features

Hinge Block,breechblock — FSC 1015
Material: NICKEL ALLOY
3 manufacturer part numbers on file
Manufacturer of record: Naval Sea Systems Command

Identification

NSN: 1015-01-411-9510
NIIN: 014119510
FSC: 1015 — Guns, 75mm Through 125mm
FSG: 10 — Weapons
Primary part number: 211050495
Manufacturer: Naval Sea Systems Command

General Description

The Hinge Block,breechblock, cataloged under National Stock Number 1015-01-411-9510, is classified within Federal Supply Class 1015 (Guns, 75mm Through 125mm) of the Weapons group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 8 items share a part number with this NSN in the catalog (possible match — not a government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.

Technical Specifications

Parameter	Value
NSN	1015-01-411-9510
Primary Part Number	211050495
Item Name	Hinge Block,breechblock
FSC / FSG	1015 / 10 — Guns, 75mm Through 125mm
Manufacturer	Naval Sea Systems Command
Status	ACTIVE
Material	NICKEL ALLOY

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL B — Remove Demilitarization Key Points
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.

3120-01-412-0677595-6401267 ITME 181 POSSIBLE MATCH

BUSHING,SLEEVE

Possible match (shared part number)Naval Sea Systems Command

1015-01-412-0683595-6401267 ITEM 182 POSSIBLE MATCH

BUSH,HINGE LINKAGE

Possible match (shared part number)Naval Sea Systems Command

1015-01-412-4613595-6401446-1 POSSIBLE MATCH

BUSHING,SAFETY LOCK

Possible match (shared part number)Naval Sea Systems Command

1015-01-413-2518595-6401679-1 POSSIBLE MATCH

BAR,PROTECTIVE,MORTAR

Possible match (shared part number)Naval Sea Systems Command

1015-01-413-2522595-6401676-1 POSSIBLE MATCH

HINGE BLOCK,BREECHBLOCK

Possible match (shared part number)Naval Sea Systems Command

3040-01-428-3196211069179 POSSIBLE MATCH

SHAFT,SHOULDERED

Possible match (shared part number)Naval Sea Systems Command

3120-01-430-5298211069170 POSSIBLE MATCH

BUSHING,SLEEVE

Possible match (shared part number)Kamatics Corporation

5305-01-445-33446401267 FIND 129 POSSIBLE MATCH

SCREW,CAP,SOCKET HEAD

Possible match (shared part number)Naval Sea Systems Command

Cross-Reference Index

Part Number	Manufacturer
595-6401267 ITEM 11	Naval Sea Systems Command (USA)
211050495 PRIMARY	Naval Sea Systems Command (USA)
595-6401593-1	Naval Sea Systems Command (USA)

Reference documents

Reference	Meaning
211069295	C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command
6401267	D/9 Drawing number reference only Naval Sea Systems Command
6401593	D/9 Drawing number reference only Naval Sea Systems Command

Related Parts

3120-01-412-0677POSSIBLE MATCH

BUSHING,SLEEVE

595-6401267 ITME 181

1015-01-412-0683POSSIBLE MATCH

BUSH,HINGE LINKAGE

595-6401267 ITEM 182

1015-01-412-4613POSSIBLE MATCH

BUSHING,SAFETY LOCK

595-6401446-1

1015-01-413-2518POSSIBLE MATCH

BAR,PROTECTIVE,MORTAR

595-6401679-1

1015-01-413-2522POSSIBLE MATCH

HINGE BLOCK,BREECHBLOCK

595-6401676-1

3040-01-428-3196POSSIBLE MATCH

SHAFT,SHOULDERED

211069179

3120-01-430-5298POSSIBLE MATCH

BUSHING,SLEEVE

211069170

5305-01-445-3344POSSIBLE MATCH

SCREW,CAP,SOCKET HEAD

6401267 FIND 129

Frequently Asked Questions

What is NSN 1015-01-411-9510?

NSN 1015-01-411-9510 is a Hinge Block,breechblock, manufactured by Naval Sea Systems Command, classified under FSC 1015, Guns, 75mm Through 125mm. Status: active.

What part numbers are listed for NSN 1015-01-411-9510?

NSN 1015-01-411-9510 has 3 manufacturer part numbers on file: 595-6401267 ITEM 11 (Naval Sea Systems Command), 211050495 (Naval Sea Systems Command), 595-6401593-1 (Naval Sea Systems Command).

What NSN replaces 1015-01-411-9510?

8 possible matches (shared part number, not a government interchangeability claim): 3120-01-412-0677, 1015-01-412-0683, 1015-01-412-4613. Verify interchangeability with system specifications before substitution.

What are the specifications of 211050495?

Key specifications for 211050495: Special Features: OVAL SHAPE WITH 6 HOLES 0.281 IN. DIA; 0.430 IN. MIN AND 0.450 IN. MAX THK IN; End Item Identification: INTERNAL AUXILIARLY LAUNCHER BARREL ASSEMBLIES; Material: NICKEL ALLOY. 1 specification is documented in the U.S. Government catalog.

Is NSN 1015-01-411-9510 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.

What is the DEMIL code for NSN 1015-01-411-9510?

NSN 1015-01-411-9510 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.

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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