Model: 257A494-1

Retainer Ring Nut Assembly

Properties:

Width

Between 2.490 inches and 2.510 inches

Bolt Circle Diameter

Between 15.990 inches and 16.010 inches

Thickness

Between 0.058 inches and 0.068 inches

Nut Style

Plate

Nut Length

1.292 inches

Nut Height

0.281 inches

Plate Thickness

0.032 inches

Plate Width

Between 0.350 inches and 0.516 inches

Mounting Style

Ring

Ring Outside Diameter

Between 16.990 inches and 17.010 inches

End Application

Laircm group

Nut Quantity

Part Name Assigned By Controlling Agency

Nut assembly, self-locking

NSN

5310-01-524-7998

Part Number

257A494-1

Description

Nut Assembly,retainer Ring

CAGE

03640

An item consisting of a flat metal ring designed to be fastened in place, upon which replaceable nuts are assembled in predetermined spacing.

Part 257A494-1 NSN 5310-01-524-7998

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

16007

FIIG:

A021A0

Concept No.:

App. Key:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

Paclk Weight:

Item Weight:

Item Dim:

OPI

SPI No.

SPI Rev.

SPC Mkg.

LVL A

LVL B

OPI:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

093486

UFC:

48950

LTL:

RATING VARIABLE

LCL:

WCC:

573

TCC:

SHC:

ACC:

Construction Materials

Pricing & Availability Check

Submit this form for stock availability and pricing.

How to Order

Ordering from buyaircraftparts.com

If you would like to order this retainer ring nut assembly (NSN 5310-01-524-7998) please submit the pricing and availability form above to receive an up to date quote by email. If you agree to the pricing and terms you can e-sign your order online!

We are pleased to have the opportunity to serve you.

Have a Question

Hours:	08:00-18:00 Eastern Standard Time
Phone:	+1 470-231-0824
Email:	Contact Form »

Schedule B and Export

Schedule B: 7616108000
SITC: 69440
End Use: Finished metal shapes
NAICS: 332722
USDA: 1

Freight Class: Cotters, cotter-pins, washers and similar articles, of aluminum