Insert, Screw Thread5325-01-191-3578

NSN 5325-01-191-3578 · NIIN 011913578 · Part number 70850-22353-105

Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp · FSC 5325 — Fastening Devices · FSG 53 — Hardware and Abrasives · CAGE 78286

Government record, cited

NSN 5325-01-191-3578 — this item is cataloged by the U.S. Government under National Stock Number 5325-01-191-3578. Manufacturer of record part number: 70850-22353-105.

Also searched as 5325-01-191-3578 · 5325011913578 · NIIN 011913578 · 01-191-3578 · FSC 5325 Fastening Devices · CAGE 78286 · 70850-22353-105

Nearby stock numbers ← 5325-01-191-3515 Ring, Retaining · 5325-01-191-3579 Insert, Screw Thread →

Features

Insert,screw Thread — FSC 5325
Length: 0.730 INCHES NOMINAL IN
Insert Size: 0.527 IN. MIN AND 0.532 IN. MAX OD IN
Nominal Thread Size: 0.190 INCHES IN
Thread Class: 3B
Thread Quantity Per Inch: 32
Thread Series Designator: UNF
1 manufacturer part number on file

Identification

NSN: 5325-01-191-3578
NIIN: 011913578
FSC: 5325 — Fastening Devices
FSG: 53 — Hardware and Abrasives
Primary part number: 70850-22353-105
Manufacturer: Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp

General Description

The Insert,screw Thread, cataloged under National Stock Number 5325-01-191-3578, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. Government technical data includes 6 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. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5325-01-191-3578
Primary Part Number	70850-22353-105
Item Name	Insert,screw Thread
FSC / FSG	5325 / 53 — Fastening Devices
Manufacturer	Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp
Status	ACTIVE
Length	0.730 INCHES NOMINAL IN
Insert Size	0.527 IN. MIN AND 0.532 IN. MAX OD IN
Nominal Thread Size	0.190 INCHES IN
Thread Class	3B
Thread Quantity Per Inch	32
Thread Series Designator	UNF

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

Cross-Reference Index

Part Number	Manufacturer
70850-22353-105 PRIMARY	Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA)

No interchangeability data on file.

Other items in FSC 5325 — Fastening Devices

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5325-00-000-1884

5325-00-000-1884 · Item name not on file

5325-00-000-9988

5325-00-000-9988 · Item name not on file

5325-00-001-1567

RING,RETAINING

5325-00-001-2043

FASTENER,PANEL

5325-00-001-3842

RING,RETAINING

5325-00-001-3858

5325-00-001-3858 · Item name not on file

5325-00-001-3871

RING,RETAINING

5325-00-001-4317

RING,RETAINING

Frequently Asked Questions

What is NSN 5325-01-191-3578?

NSN 5325-01-191-3578 is a Insert,screw Thread, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 5325, Fastening Devices. Status: active.

What part numbers are listed for NSN 5325-01-191-3578?

NSN 5325-01-191-3578 has 1 manufacturer part number on file: 70850-22353-105 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).

What are the specifications of 70850-22353-105?

Key specifications for 70850-22353-105: Length: 0.730 INCHES NOMINAL IN; Insert Size: 0.527 IN. MIN AND 0.532 IN. MAX OD IN; Nominal Thread Size: 0.190 INCHES IN; Special Features: COUNTERBORE 0.412 IN. DIA TO 0.530 IN. DP IN. 6 specifications are documented in the U.S. Government catalog.

Is NSN 5325-01-191-3578 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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