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FSG 53 - Hardware and Abrasives
FSC 5365 - Bushings, Rings, Shims and Spacers
NSN 5365-01-012-7597

5365-01-012-7597

NIIN 01-012-7597 - Serrated Lock Ring

NSN 5365-01-012-7597 Classification

A locking device which is serrated on the inside and outside diameters. It may have outer serrations omitted on one or two sides for close edge installation. The inner serrations engage the mating serrations of bolts, inserts, nuts, studs or similar items to be locked in place. The outer serrations broach their way into parent material when driven or pressed into place.

ams 5734 assn std single material response material document and classification, 0.343 inches nominal pilot diameter, 17 inner serration quantity, 0.263 inches minimum and 0.267 inches maximum inside diameter, iron alloy 660 material

National Stock Number: 5365-01-012-7597
Federal Supply Group: 53 - Hardware and Abrasives
Federal Supply Classification: 5365 - Bushings, Rings, Shims and Spacers
National Item Identification Number: 01-012-7597
Item Name Code: 16013
Assigned Date: Tue, Nov 18, 1975
Requires Demilitarization: DEMIL/MLI

NSN 5365-01-012-7597 Specification

Set by the OEM (See RNCC code 3)

Inner Serration Quantity: 17
Inside Diameter: 0.263 inches minimum and 0.267 inches maximum
Material Document And Classification: ams 5734 assn std single material response
Material: iron alloy 660
Pilot Diameter: 0.343 inches nominal
Overall Height: 0.112 inches nominal
Overall Outside Diameter: 0.395 inches minimum and 0.404 inches maximum
Side Outer Serrations Omitted For Close Edge Installation: two sides
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response
Surface Treatment: passivate

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Quality, Safety, and Compliance in Every Supply Requirement

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NSN 5365-01-012-7597 Material

Hazmat, Precious Metals, Criticality, Environment, and ESD

(PMIC) Precious Metals Indicator

Item does not contain precious metal.

What does the A code means?

Precious metals indicator code (pmic): this code is to identify items that have precious metals as part of their content. Precious metals are those metals generally considered to be uncommon and highly valuable which are relatively superior in certain properties such as resistance to corrosion and electrical conductivity. The precious metals recovery program for the federal government encompasses gold, silver, platinum, and the platinum family which consists of palladium, iridium, rhodium, osmium, and ruthenium. See volume 10, table 160 and quick info on-line.

(HMIC) Hazardous Metal Indicator

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

What does the N code means?

Hazardous materials indicator code: a code established in the dlis total item record (tir) to identify to users of the federal catalog system all known or suspected hazardous items as defined by safety/health, transaction and/or environmental regulations, to serve as a flag that a procuring activity must acquire a material safety data sheet when a hazardous item is procured, and to inform federal catalog system users when more detailed information on an item is available in the hazardous material information system. See volume 10, table 179 and quick info on-line.

Criticality Code

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

What does the X code means?

Criticality code, federal item identification guide: a code which indicates when an item is technically critical, by reason of tolerance, fit, application, nuclear hardness properties or other characteristic which affects identification of the item. See volume 10, table 181 and quick info on-line.

Cross Reference Parts

Part numbers that meet the specification outlined on this page and set by the OEM

Part Number	CAGE	RNCC	RNVC	DAC	RNAAC	MSDS	SADC
5365PL2228900	9009H	6	9	9	WP	-	-
AA59558-204	58536	5	9	E	ZZ	-	-
AS51990-E105P	0U583	5	9	E	ZZ	-	-
BLRR24SU7	83324	5	9	5	KZ	-	-
MS51990E105P	0U583	3	2	E	ZZ	-	-
MS51990E105P	96906	5	9	4	KE	-	-
RLRR24SU7	83324	5	1	5	ZZ	-	-

Price Quote

Get an up to date pricing and availability quote for 5365-01-012-7597.

Stock Availability

This product is available in the following quantities and conditions:

(NE) New Material	1,224
(NS) New Surplus	395
(SV) Serviceable	1
In Stock	1,620

Availability of this item was last updated 09/07/2026 12:09 PM EDT.

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