PartsTable TECHNICAL DATA SHEET

NSN 5330-01-013-7850Government record, cited

Seal, Plain5330-01-013-7850

NSN 5330-01-013-7850 · NIIN 010137850 · Part number S15-231

Bal Seal Engineering, Inc. · FSC 5330 — Packing and Gasket Materials · FSG 53 — Hardware and Abrasives · CAGE 09055

Government record, cited

NSN 5330-01-013-7850 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-013-7850. Manufacturer of record part number: S15-231.

Also searched as 5330-01-013-7850 · 5330010137850 · NIIN 010137850 · 01-013-7850 · FSC 5330 Packing and Gasket Materials · CAGE 09055 · S15-231 · 12509

Nearby stock numbers ← 5330-01-013-7849 Seal, Plain Encased · 5330-01-013-7851 Seal, Plain →

5330-01-013-7850 — Packing and Gasket Materials

Features

Seal,plain — FSC 5330
Temp Rating: -70.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
Seal Width: 0.162 INCHES NOMINAL IN
Housing Bore Diameter: 2.875 INCHES NOMINAL IN
Accommodated Shaft Diameter: 2.521 INCHES NOMINAL IN
Construction: SOLID
1 manufacturer part number on file
Manufacturer of record: Bal Seal Engineering, Inc.

Identification

NSN: 5330-01-013-7850
NIIN: 010137850
FSC: 5330 — Packing and Gasket Materials
FSG: 53 — Hardware and Abrasives
Primary part number: S15-231
Manufacturer: Bal Seal Engineering, Inc.

General Description

The Seal,plain, cataloged under National Stock Number 5330-01-013-7850, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Bal Seal Engineering, Inc.. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government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	5330-01-013-7850
Primary Part Number	S15-231
Item Name	Seal,plain
FSC / FSG	5330 / 53 — Packing and Gasket Materials
Manufacturer	Bal Seal Engineering, Inc.
Status	ACTIVE
Temp Rating	-70.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
Seal Width	0.162 INCHES NOMINAL IN
Housing Bore Diameter	2.875 INCHES NOMINAL IN
Accommodated Shaft Diameter	2.521 INCHES NOMINAL IN
Construction	SOLID

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

⇄ Related Items 7

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

5310-01-101-04491250-9 POSSIBLE MATCH

NUT

Possible match (shared part number)Superior Valve Co

6515-01-105-8369 POSSIBLE MATCH

BONE PLATE

Possible match (shared part number)

5310-01-138-369412509 POSSIBLE MATCH

WASHER,SPRING TENSION

Possible match (shared part number)Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple

5310-01-143-742412509 POSSIBLE MATCH

WASHER,LOCK

Possible match (shared part number)Marco Seattle Inc Dba Marco

2815-01-297-139612509 POSSIBLE MATCH

VALVE,POPPET,ENGINE

Possible match (shared part number)Westerbeke Corporation

4820-01-516-9542 POSSIBLE MATCH

VALVE,FLOW CONTROL

Possible match (shared part number)

6640-01-530-208312509 POSSIBLE MATCH

WEIGHT,METRIC

Possible match (shared part number)Rice Lake Weighing Systems, Inc.

Cross-Reference Index

Part Number	Manufacturer
S15-231 PRIMARY	Bal Seal Engineering, Inc. (USA)

Reference documents

Reference	Meaning
12509	C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh

Related Parts

5310-01-101-0449POSSIBLE MATCH

NUT

1250-9

6515-01-105-8369POSSIBLE MATCH

BONE PLATE

5310-01-138-3694POSSIBLE MATCH

WASHER,SPRING TENSION

12509

5310-01-143-7424POSSIBLE MATCH

WASHER,LOCK

12509

2815-01-297-1396POSSIBLE MATCH

VALVE,POPPET,ENGINE

12509

4820-01-516-9542POSSIBLE MATCH

VALVE,FLOW CONTROL

6640-01-530-2083POSSIBLE MATCH

WEIGHT,METRIC

12509

Frequently Asked Questions

What is NSN 5330-01-013-7850?

NSN 5330-01-013-7850 is a Seal,plain, manufactured by Bal Seal Engineering, Inc., classified under FSC 5330, Packing and Gasket Materials. Status: active.

What part numbers are listed for NSN 5330-01-013-7850?

NSN 5330-01-013-7850 has 1 manufacturer part number on file: S15-231 (Bal Seal Engineering, Inc.).

What NSN replaces 5330-01-013-7850?

7 possible matches (shared part number, not a government interchangeability claim): 5310-01-101-0449, 6515-01-105-8369, 5310-01-138-3694. Verify interchangeability with system specifications before substitution.

What are the specifications of S15-231?

Key specifications for S15-231: Temp Rating: -70.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF; Seal Width: 0.162 INCHES NOMINAL IN; Housing Bore Diameter: 2.875 INCHES NOMINAL IN; Accommodated Shaft Diameter: 2.521 INCHES NOMINAL IN. 5 specifications are documented in the U.S. Government catalog.

Is NSN 5330-01-013-7850 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.

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